1963 Half Dollar Value (2026 Guide): Errors List, “D” & No Mint Mark Worth

The 1963 Franklin Half Dollar was never intended to be a collectible. It was a circulation coin — made to be spent, handled, and forgotten.

What changed that wasn’t a special mintage or a planned redesign. Kennedy’s assassination on November 22, 1963 prompted the government to replace Franklin’s portrait with Kennedy’s on the half dollar — an abrupt end that nobody saw coming, and one that instantly gave the 1963 issue a status it was never designed to carry.

Because silver prices were climbing in the early 1960s, many of these coins were held onto rather than spent — which is part of why uncirculated examples are still around today. But genuine high-grade specimens are scarcer than most people expect.

That combination — accidental final year, silver content, and condition scarcity — is what drives 1963 Half Dollar value anywhere from $18 for a worn circulated piece to $150 or more for a proof DCAM.

What separates those two numbers is worth knowing before you buy, sell, or grade one.

 

1963 Half Dollar Value By Variety

The 1963 Half Dollar comes in more varieties than most people expect — and the variety you have matters just as much as the condition it’s in.

Mint mark, strike quality, and finish type each pull the value in a different direction. If you know the grade of your coin, you can find the exact price below in the Value Guides section.

Also Read: Franklin Half Dollar Coin Value (1948-1963)

 

Top 10 Most Valuable 1963 Half Dollar Worth Money

The single most expensive 1963 Half Dollar ever sold at auction was a Philadelphia strike — an MS66+ FBL that brought $85,188, far beyond its pre-sale estimate of $20,000 to $22,000, as the sole finest certified at PCGS. That kind of result isn’t typical, but it shows what the market will pay when condition and rarity converge.

The Denver issues have their own ceiling. The record for a 1963-D goes to an NGC MS67+ FBL that sold for $16,800 in 2019 — one of only three NGC submissions in that grade to carry a Full Bell Lines designation.

For the Denver Mint, producing over 67 million coins that year meant quality consistency wasn’t the priority — which is part of why high-grade FBL examples from this mint are genuinely hard to find.

Proof coins occupy a different space entirely. They were struck for collectors from the start, with sharper detail and more controlled surfaces. A PR69 DCAM reached $9,000 at Heritage Auctions in June 2018, while a PR68+ DCAM sold for $3,525. At PR69 Deep Cameo, only around three dozen examples are known now — scarcity at that level is real, and the prices reflect it.

These results share a common thread: grade and strike quality drive value far more than mint origin alone.

 

History Of The 1963 Half Dollar

The Franklin Half Dollar entered circulation in 1948, making Benjamin Franklin the first non-president to appear on a regular-issue U.S. circulating coin.

Mint Director Nellie Tayloe Ross had long admired Franklin and pushed for his portrait on the coin, with Chief Engraver John R. Sinnock preparing the designs before his death. The series ran quietly for 15 years — until 1963 changed everything.

Within hours of Kennedy’s assassination on November 22, 1963, Mint Director Eva Adams contacted Chief Engraver Gilroy Roberts, with serious consideration already being given to placing Kennedy’s portrait on one of the larger silver coins.

Jacqueline Kennedy preferred the half dollar, as she did not want to replace George Washington on the quarter. That decision sealed the Franklin series’ fate.

Under existing law, a coin’s design could not be changed until it had been in circulation for at least 25 years. The Franklin half dollar had only been in use for 15. Congress passed the necessary legislation anyway, on December 30, 1963.

The 1963 Franklin Half Dollar had already been struck and distributed before any of this unfolded. It became the final issue of the series by circumstance, not by design — and that distinction is a large part of what collectors recognize in it today.

Also Read: Top 35 Most Valuable Franklin Half Dollars Worth Money List (1948-1963)

 

Is Your 1963 Half Dollar Rare?

Rarity ratings can shift the value of a 1963 Half Dollar significantly — even between coins of the same grade. The CoinValueChecker App breaks down survival estimates and population data by variety, so you get a clearer picture of exactly where your coin sits in the market.

 

Key Features Of The 1963 Half Dollar

The 1963 Half Dollar shares the same design as every Franklin Half Dollar struck since 1948 — but knowing what’s actually on the coin, and where, makes it easier to grade, identify varieties, and spot details that affect value.

The Obverse Of The 1963 Half Dollar

The obverse carries a right-facing portrait of Benjamin Franklin, modeled after an 18th-century bust by French sculptor Jean-Antoine Houdon. The portrait was designed by Chief Engraver John R. Sinnock along simple, clean lines, with Franklin depicted wearing a period suit.

“LIBERTY” is inscribed above the portrait, “IN GOD WE TRUST” curves below, and the date appears to Franklin’s right. Sinnock’s initials, “JRS”, are tucked below the shoulder truncation.

Those initials caused some controversy after the coin’s release. During Cold War tensions, some interpreted “JRS” as a reference to Joseph Stalin. The Mint responded that they were simply the designer’s initials, and no changes were made.

The portrait is bold and relatively spare. There is no background detail — the focus is entirely on Franklin’s likeness, which makes surface preservation on the high points of the cheek and hair particularly important for grading purposes.

The Reverse Of The 1963 Half Dollar

The reverse was completed by Gilroy Roberts after Sinnock’s death in 1947, with the Liberty Bell at the center — a fitting complement to Franklin, given that both are closely tied to Philadelphia and the founding of the nation.

The Liberty Bell design traces back to Sinnock’s earlier work for the 1926 Sesquicentennial commemorative half dollar, itself derived from a sketch by John Frederick Lewis — a connection not publicly known until numismatic writer Don Taxay reported it in the 1960s.

Key elements on the reverse:

• Liberty Bell — center of the coin; depicted with its famous crack visible
• Bell lines — two sets of horizontal parallel lines at the base of the bell; their completeness determines the Full Bell Lines (FBL) designation
• “UNITED STATES OF AMERICA” — arcs above the bell
• “HALF DOLLAR” — curves below
• “E PLURIBUS UNUM” — appears in smaller letters to the left of the bell
• Small eagle — to the right of the bell; required by the Coinage Act of 1873, which mandated an eagle on all half dollars
• Mint mark — positioned above the bell; “D” for Denver, no mark for Philadelphia

Other Features Of The 1963 Half Dollar

The 1963 Half Dollar was struck in a composition of 90% silver and 10% copper, with a total weight of 12.5 grams and a diameter of 30.0 mm.

The edge is reeded — meaning it carries uniform parallel ridges running around the rim. This was a standard feature on U.S. silver coinage of the era, originally introduced as a deterrent against clipping or shaving metal from the coin’s edge.

The face value is fifty cents, though the coin’s silver content alone places its intrinsic worth well above that today. The 1963 Franklin Half Dollar was the last in the series to be struck entirely in 90% silver — a distinction that adds a layer of significance beyond its numismatic interest.

Also Read: Top 100 Most Valuable Kennedy Half Dollar Worth Money List (1964-Present)

 

1963 Half Dollar Mintage & Survival Data

In 1963, two mints struck circulation coins: Philadelphia with a mintage of 22,164,000, and Denver with 67,069,292 — the highest mintage of any Franklin Half Dollar in the entire series.

Both have an estimated survival rate of around 10%, meaning roughly one in ten coins from each mint is thought to still exist today.

Despite the large numbers, survival doesn’t tell the whole story for circulation strikes. Most surviving examples show wear from handling. It takes a well-preserved coin, without wear to the surface, to attract collector interest and premium values — and those are considerably harder to find than the raw survival figures suggest.

The proof coins, all struck at Philadelphia with a mintage of 3,075,645, survived at a much higher rate of nearly 80% — expected for coins that were never meant to circulate.

Within that proof population, however, the Cameo and Deep Cameo designations are a different matter. CAM survival sits at under 1%, and DCAM at just 0.49%. Cameo and Deep Cameo Franklin Half Dollars have long attracted dedicated collector interest, and those survival figures go some way toward explaining why.

Also Read: Top 11 Most Valuable Half Dollar Coins in Circulation (With Pictures)

 

The Easy Way to Know Your 1963 Half Dollar Value

Three things shape what a 1963 Half Dollar is actually worth: the mint mark, the grade, and the strike quality. Checking the mint mark confirms which variety you have, while comparing the coin’s surfaces against grading references helps place it between a bullion-level piece and a collectible-grade example.

On this coin specifically, the condition of the bell lines on the reverse — and whether a proof shows Cameo contrast — can shift the value considerably.

Working through those details by eye takes practice. The CoinValueChecker App makes it faster: just photograph your coin, and the AI reads the grade, variety, and any notable features in seconds.

 

1963 Half Dollar Value Guides

Mint mark and finish type split the 1963 Half Dollar into five categories — and the price gap between them is wider than most people expect.

Circulated business strikes trade close to silver melt value, while the finest proof examples with Deep Cameo contrast have reached $9,000 at auction. What sits between those two points depends almost entirely on grade and strike quality.

• 1963 No Mint Mark Half Dollar — Philadelphia’s final Franklin; the top FBL example sold for over $85,000 as the sole finest certified at that grade
• 1963-D Half Dollar — the highest-mintage issue in the entire series; high-grade FBL specimens are genuinely scarce despite the large numbers
• 1963 Proof Half Dollar — the last proof struck in the Franklin series, common through PR68 but relatively straightforward to collect at most grades
• 1963 CAM Half Dollar — proof with frosted devices over mirrored fields; fewer than three dozen PR69 examples are known
• 1963 DCAM Half Dollar — the rarest proof tier, also the highest grade available for this issue

The five sections below each break down one variety in full, with current values by grade.

 

1963 No Mint Mark Half Dollar Value

The Philadelphia Mint’s final Franklin Half Dollar holds the auction record for the entire No Mint Mark variety — an MS66+ FBL that sold for $85,187.50 in 2019, with only two coins known at that grade level.

That result sits at the extreme end of what this coin can achieve, but it illustrates just how sharply the market rewards the combination of top grade and full strike.

Below that ceiling, the picture is more accessible. An MS65 non-FBL currently trades around $65, while an MS65 FBL jumps to $1,650 — a gap driven entirely by strike quality, not condition alone.

Philadelphia strikes are generally considered better struck than Denver coins, yet fully separated bell lines remain genuinely hard to find even here. Most surviving examples fall well short of FBL status, which is exactly what makes the top-grade specimens so sought after by serious Franklin series collectors.

A full breakdown of confirmed auction results for this variety — from common circulated grades to the record-setting examples — is listed in the auction records table below.

The market activity chart tracks how trading frequency for this variety has shifted over the past year, giving a clearer sense of where collector interest currently sits.

 

1963-D Half Dollar Value

The 1963-D holds the record for the highest mintage of any Franklin Half Dollar struck in a single year at any mint — 67,069,292 coins. That volume pushed most surviving examples into the common category, and circulated pieces trade at or near silver melt value today.

In practical grading terms, rolls of MS64 examples are still readily available, but the coin begins to attract meaningful numismatic premiums at MS65, becoming genuinely scarce at MS66.

An MS66+ non-FBL currently sits around $2,150, while an MS66+ FBL commands $3,250 — a meaningful step up for a coin that starts at silver melt value in circulated grades.

Despite the large numbers, fully struck FBL examples are difficult to find — and the higher the grade, the rarer they become. The auction record for this variety belongs to an MS67+ FBL that sold for $16,800 in 2019, one of only three submissions in that grade with a Full Bell Lines designation.

Every notable auction result for the 1963-D, spanning circulated examples through the top grades, has been compiled in the auction records section below.

The chart below reflects how market patterns for this variety have moved over the past twelve months.

 

1963 Proof Half Dollar Value

This is the most approachable entry point in the 1963 proof market. The coin grades well across a wide range, and standard proof examples without Cameo or Deep Cameo surfaces are common through PR68 — making it a realistic target for collectors building a complete Franklin proof set without chasing premium designations.

Current market values reflect that accessibility: a PR65 trades around $40, climbing to $70 at PR68. The jump to PR69 is where the market thins out considerably, with values reaching $400.

Being the final proof issue of the Franklin series does add a layer of collector significance that keeps demand steady.

It carries the second-highest proof mintage in the entire series, so supply is not a concern at most grades — but that same depth of supply also means price appreciation at the lower end is gradual rather than sharp.

To understand its current market position, we can examine its historical auction results.

How actively this variety has been trading over the past year is captured in the market activity chart below.

 

1963 CAM Half Dollar Value

Before 1973, only the first few coins struck from fresh dies were able to exhibit cameo contrast — the frosted devices over mirrored fields that define the CAM designation.

That production reality is what makes the 1963 CAM scarce: once the die face began to wear from repeated striking, the frost disappeared, and ordinary proof surfaces resulted.

At lower grades the price premium over a standard proof is modest — a PR65 CAM sits around $42. But the gap widens sharply at the top end. In PR68 Cameo, fewer than 500 examples are known, and at PR69 CAM, fewer than 50 exist. One PR69 specimen was sold for 1,299 in 2010.

The CAM designation is often where collectors who have completed a standard proof set turn next — it adds a visual dimension and a genuine scarcity challenge without the steep entry price of the DCAM tier.

Auction archives spanning multiple decades track CAM transactions from routine dealer trades to specialized registry set competitions.

The chart offers a view of how collector interest in this variety has trended over the last twelve months.

 

1963 DCAM Half Dollar Value

The gap between a CAM and a DCAM on the 1963 proof is not just visual — it shows up directly in price. A PR67 CAM sits around $65, while a PR67 DCAM is valued at $375. That difference reflects how much more demanding the market is about the depth and contrast of the frost, not just its presence.

At PR69 Deep Cameo, only around 27 examples are known — the highest grade available for this issue. That population translates directly to price: a PR68 DCAM is currently valued at $575, reaching $5,000 at PR69.

The auction record stands at $9,000, set at Heritage Auctions in June 2018. Given how few coins exist at the top grades, the DCAM represents the highest-stakes corner of the entire 1963 Half Dollar market — and the one where condition differences between single grade points carry the most financial weight.

Complete auction records document historical prices across all grades.

The table below shows how frequently this variety has changed hands over the past year, which for a coin this scarce at the top end, is worth paying attention to.

Also Read: 19 Rare Half Dollar Errors List with Pictures (By Year)

 

Rare 1963 Half Dollar Error List

Most 1963 Half Dollars you come across are straightforward circulation pieces or standard proofs. But a small number left the Philadelphia Mint carrying documented die and strike anomalies that have since been catalogued, studied, and actively collected.

These aren’t random flaws — each one has a specific cause, a reference number, and a place in the broader Franklin Half Dollar literature. The varieties below are the most significant for this date.

1. 1963 Half Dollar “Bugs Bunny” FS-401

The Bugs Bunny is the most recognizable error in the entire Franklin Half Dollar series, and the 1963 Philadelphia issue carries its own documented instance of it.

It’s the result of a die clash — when the obverse and reverse dies come together without a coin between them. A portion of the reverse eagle’s wings transferred onto the obverse near Franklin’s upper lip, creating a raised spike that resembles prominent buck teeth.

The nickname came naturally. The variety was first spotted by collectors in the early 1960s, right around the time the Looney Tunes character was a popular cultural icon — and the name stuck immediately.

On the 1963 issue specifically, the clash marks appear on Philadelphia-struck coins only. The effect varies in strength from coin to coin, since the die continued producing coins after the clash event and the marks gradually faded with use.

To spot it, examine Franklin’s mouth area under a 5x–10x loupe. You’re looking for two small raised projections just below his lips — not sunken marks, which would indicate post-mint damage. Genuine clash marks are always raised on the coin’s surface, never sunken.

The auction record for the FBL version stands at $780 for an MS64+ FBL, sold at Heritage Auctions in July 2023. Non-FBL examples in MS64 have sold around $471. The variety is affordable at most grades, which is part of why it remains one of the most widely collected Franklin errors at any level.

2. 1963 Half Dollar Obverse Die Clash FS-402

The FS-402 is a separate, officially catalogued die clash from the Bugs Bunny variety — and the two are often confused by newer collectors.

Both result from the same type of minting event: the obverse and reverse dies striking each other without a planchet between them. The impact transfers a faint mirror image of each die’s design onto the opposing die, and those ghost impressions are permanently struck onto every subsequent coin produced from the clashed dies.

The key difference is location. The Bugs Bunny clash (FS-401) lands specifically on Franklin’s mouth area, producing the distinctive buck-tooth effect. The FS-402 shows clash marks in different areas of the obverse field — most visibly as faint ghost outlines of the Liberty Bell or reverse lettering appearing in the open field near Franklin’s portrait.

To examine it properly, hold the coin at a low angle under strong directional light. Clash marks appear as raised, sharp lines or partial design outlines in the field — and unlike scratches, they follow the contours of the opposing die’s design elements.

The auction record for the 1963 FS-402 is $1,400 for an MS66 example, sold on eBay in November 2020. The FBL version has reached $400 at MS64 FBL. The FS-402 sees less mainstream attention than the Bugs Bunny, which makes well-preserved examples somewhat harder to track down in the market — and potentially more rewarding for collectors who know what to look for.

3. 1963 Half Dollar Doubled Die Reverse FS-801

A doubled die reverse occurs during the die-making process, when the working die receives more than one impression from the hub at slightly different angles. The mismatch creates a doubled ghost image permanently baked into the die — and then transferred onto every coin struck from it.

On the 1963 Franklin Half Dollar, the FS-801 DDR is a catalogued circulation strike variety. Doubling is most visible on the reverse around the Liberty Bell’s lettering and the horizontal lines at the bell’s base. Focus your examination on “UNITED STATES OF AMERICA” and “HALF DOLLAR” — these inscriptions are the clearest pickup points for this date.

One important distinction worth knowing: true doubled die doubling shows rounded, raised secondary impressions alongside the primary design elements. Mechanical doubling — which has no collector value — produces flat, shelf-like smearing. The difference is visible under a 10x loupe once you know what to look for.

The FS-801 designation appears across multiple Franklin Half Dollar dates, with the 1961 Proof version being the most celebrated example in the entire series. The 1963 circulation strike version is a more modest variety, but it carries the same Fivaz-Stanton reference number and is legitimately catalogued for the date.

For collectors building a variety-inclusive Franklin set, this is one of the few confirmed DDR entries for the 1963 date — and finding a sharply struck FBL example showing clear doubling is a genuine challenge.

4. 1963 Half Dollar Double Strike with Cent Planchet Indent

This is the most dramatic — and most valuable — error documented for the 1963 Half Dollar.

The most famous known example was struck a second time while simultaneously being indented by a cent planchet — a combination error involving both a double strike and a planchet indent from a different denomination.

What makes this coin extraordinary is the layering of two separate minting failures in a single coin. The double strike left a rotated second impression of the full design overlapping the first, while the cent planchet produced a distinct oval depression pressed into the coin’s field.

That coin — graded MS62 — sold at Heritage Auctions in August 2021 for $20,125. It remains the highest known auction result for any 1963 Half Dollar error, and it is considered one of the most spectacular combination errors in the Franklin series.

Combination errors like this are extremely rare across all U.S. coinage, and examples this well-documented and certified almost never come to market. For advanced error collectors, it represents exactly the kind of one-of-a-kind piece that defines a serious collection.

5. 1963 Half Dollar Clipped Planchet

The clipped planchet is one of the more commonly encountered physical errors on 1963 Half Dollars, and it’s straightforward to spot once you know what a genuine clip looks like.

It happens during the blanking stage, when the cutting punch overlaps a hole already punched in the metal strip. The resulting coin has a smooth, curved — or occasionally straight — bite taken out of its edge. This is a pure mint production defect, with no damage occurring after the coin left the mint.

The easiest authentication check is the Blakesley Effect: the design detail directly opposite the clip will appear weakly struck or even absent. Post-mint damage cannot replicate this, making it a reliable test. Also weigh the coin — a genuine clipped half dollar will measure noticeably less than the standard 12.50 grams.

Small clips under 10% bring $30–$75 in circulated grades. Larger clips of 15–25% can sell for $100–$260 in MS64. Multiple clips on the same coin can double or triple the premium. While not rare in absolute terms, a large, clean curved clip on an otherwise attractive 1963 example is the kind of straightforward error coin that makes a nice addition to a general collection without requiring a significant investment.

 

Where To Sell Your 1963 Half Dollar?

Knowing what your 1963 Half Dollar is worth gives you a starting point — but the platform you choose affects how much of that value you actually walk away with. Fees, buyer reach, and how well a venue handles silver coins all factor in.

Check out now: Best Places To Sell Coins Online (Pros & Cons)  

 

1963 Half Dollar Market Trend

*Market Trend Chart showing the number of people paying attention to this coin.

 

FAQ About The 1963 Half Dollar

1. How much is a 1963 Half Dollar worth today?

It depends on the variety and condition. A worn circulated example trades close to its silver melt value — roughly $18 to $34. An uncirculated Philadelphia strike without Full Bell Lines sits around $43, while an MS65 FBL jumps to $1,650.

At the top end, proof coins with Deep Cameo contrast reach $150 or more at PR67, and the finest known examples have sold for $9,000 at auction.

2. How do I know if my 1963 Half Dollar has a mint mark?

Flip the coin to the reverse and look directly above the Liberty Bell. A “D” there means it was struck at the Denver Mint. No letter means it came from Philadelphia — the Philadelphia Mint did not use a mint mark on circulation strikes for this series.

The mint mark is small but clearly visible under normal light without magnification.

3. What does Full Bell Lines mean, and why does it matter so much?

Full Bell Lines — abbreviated FBL — refers to the two sets of horizontal parallel lines running along the base of the Liberty Bell on the reverse. On a fully struck coin, those lines are complete, sharp, and cleanly separated across their full width.

The FBL designation can multiply a coin’s value dramatically. An MS65 Philadelphia strike without FBL trades around $65; the same grade with FBL is worth $1,650. The difference is entirely down to strike quality, not wear.

4. Is a 1963 Half Dollar made of silver?

Yes. The 1963 Franklin Half Dollar is composed of 90% silver and 10% copper, with a total weight of 12.5 grams. That silver content gives every 1963 Half Dollar a base melt value of roughly $18, regardless of condition.

This composition applied to the entire Franklin Half Dollar series from 1948 through 1963. The Kennedy Half Dollar that followed in 1964 retained 90% silver for one year, then dropped to 40% silver from 1965 to 1970.

5. Why is 1963 the last year of the Franklin Half Dollar?

The Franklin series ended not by plan, but by circumstance. President Kennedy was assassinated on November 22, 1963, and the government moved quickly to honor him on a coin. Jacqueline Kennedy preferred the half dollar, specifically because she did not want to displace George Washington from the quarter.

Under existing law, a coin’s design could not be changed until it had been in circulation for at least 25 years — the Franklin series had only run for 15. Congress passed special legislation on December 30, 1963 to allow the redesign, and the Kennedy Half Dollar debuted in 1964.

6. What is the “Bugs Bunny” 1963 Half Dollar?

The Bugs Bunny is a die clash variety catalogued as FS-401. It occurred when the obverse and reverse dies struck each other without a coin between them, transferring part of the reverse eagle’s wings onto Franklin’s upper lip area — producing two small raised projections that resemble buck teeth.

The nickname was coined in the early 1960s and stuck immediately. Non-FBL examples in MS64 have sold around $471, while the FBL version reached $780 at Heritage Auctions in July 2023. It’s one of the most affordable and widely collected error varieties in the entire Franklin series.

7. What is the difference between a CAM and a DCAM proof?

Both designations describe the contrast between a proof coin’s frosted devices and its mirror-like fields. CAM (Cameo) means that contrast is visible but moderate. DCAM (Deep Cameo) means the frost is heavily pronounced, creating a bold, almost stark visual separation between the design elements and the background.

On the 1963 issue, that distinction matters significantly for value. A PR67 standard proof trades around $50, a PR67 CAM sits at roughly $65, and a PR67 DCAM jumps to $375. At PR69, only around 27 DCAM examples are known, and that population supports a value of $5,000.

8. Is there really a 1963 Kennedy Half Dollar?

No. This is one of the most common misconceptions about this coin. The Kennedy Half Dollar series began in 1964 — the 1963 issue is a Franklin Half Dollar, featuring Benjamin Franklin on the obverse and the Liberty Bell on the reverse.

Kennedy’s assassination occurred in November 1963, after the year’s Franklin coins had already been struck and distributed. The new Kennedy design was rushed into production and released in early 1964.

9. What makes the 1963-D Half Dollar harder to find in high grades than its mintage suggests?

The 1963-D was struck in the largest single-year mintage of any Franklin Half Dollar — 67,069,292 coins. That volume makes circulated and lower-grade uncirculated examples easy to find, and rolls of MS64 coins are still available today.

The challenge is at the top end. Despite the huge numbers, fully struck FBL examples are genuinely scarce in MS65 and above. The auction record for the variety is an MS67+ FBL that sold for $16,800 in 2019 — one of only three submissions in that grade carrying the Full Bell Lines designation.

10. Should I clean my 1963 Half Dollar before selling it?

No. Cleaning a coin — even lightly — removes the original surface and luster, and trained graders can detect it immediately. A cleaned coin is assigned a details grade rather than a numerical grade, which significantly reduces both its marketability and its value.

A naturally toned or lightly worn 1963 Half Dollar in its original state will always be worth more to a serious buyer than the same coin after cleaning. If the coin has significant value, professional conservation through a reputable grading service is the only appropriate option.