1988 Quarter Value (2026 Guide): Errors List, “D”, “S” & “P” Mint Mark Worth

Most 1988 quarters in your pocket are worth exactly 25 cents — but a small number have sold for hundreds or even thousands of dollars at auction.

The key is understanding what separates a common circulated coin from a genuine rarity. With a combined mintage of over 1.16 billion coins struck across Philadelphia, Denver, and San Francisco, the 1988 quarter is far from scarce — yet certain grades and errors are surprisingly hard to find.

Before you spend that 1988 quarter, read this guide to learn exactly what yours could be worth.

 

1988 Quarter Value By Variety

The value of your 1988 quarter depends entirely on its mint mark and condition, with most circulated examples worth face value but mint state specimens commanding significantly higher prices. If you know the grade of your coin, you can find the exact price below in the Value Guides section.

Also Read: Top 100 Most Valuable Modern Quarter Worth Money (1932 – Present)

 

Top 10 Most Valuable 1988 Quarter Worth Money

The top auction results for 1988 quarters reveal how dramatically grade affects value — and why condition rarity is the key concept for this series.

The undisputed record holder is a 1988-D graded MS-67, which sold at Heritage Auctions in January 2017 for $1,645 — nearly 6,580 times face value. That price makes sense when you consider there are only about 15 PCGS-certified MS-67 examples in existence from a mintage of nearly 600 million coins.

A 1988-P in MS-67 achieved $750 at auction in 2021. At MS-67+, the finest known, the same variety has reached as high as $4,250 — underscoring how sharply values climb at the very top of the grading scale.

Even single grade-point differences matter enormously. A 1988-P MS-66 sold for $127, while an MS-65 example brought only $18. That’s a 600% value jump for one grade point of difference.

The 1988-S DCAM proof quarters are more accessible. A PR-70 DCAM — the highest possible grade — sold for $403 at David Lawrence Rare Coins in 2007. Because PCGS has certified over 1,273 examples at that perfect grade, the market remains well-supplied and prices stay modest.

 

1988 Quarter Value: History of the Washington Quarter Series

When most Americans see ¼, we call it one-fourth. So how did the quarter become one of America’s most-used coins? The answer goes back centuries.

The word “Quarter” traces to colonial times, when much of our everyday language was borrowed from Great Britain. Before the U.S. Mint struck its own currency, Americans relied on foreign coins from Britain, France, Spain, and the rest of Europe.

The most popular circulating coin of the era was the Spanish Silver Dollar — sometimes called the 8 Reales or “Pieces of 8.” This coin could be physically cut into eight wedge-shaped pieces. Two of those pieces, known as “Two Bits,” equaled roughly 25 cents and became a standard price point in daily trade.

That’s how the quarter-dollar denomination was born. The Washington quarter series itself started in 1932 to honor the 200th anniversary of George Washington’s birth. It was originally intended as a one-year commemorative, but the design proved so popular it became a permanent fixture in American coinage.

Washington quarters were struck in 90% silver through 1964. The Coinage Act of 1965 eliminated silver from circulating coins, and the “clad sandwich” composition — a copper core wrapped in copper-nickel — has been used ever since.

The heraldic eagle reverse used on the 1988 quarter was reintroduced in 1977 after the 1776–1976 Bicentennial design (which featured a colonial drummer on the reverse) and ran continuously until 1998. In 1999, the obverse was updated by sculptor William Cousins and the reverse was redesigned for the 50 State Quarters program.

Also Read: Top 30 Most Valuable State Quarter Worth Money (1999 – 2008)

 

Is your 1988 Quarter rare?

For real-time rarity assessments and current market values, collectors can use our CoinValueChecker App to get updated scarcity ratings across different grade levels.

 

1988 Quarter Value: Key Features and Design Details

Whether you’re a numismatist (a coin expert or collector) or just curious about a coin in your change, a few technical terms will help you understand what you’re looking at.

The obverse is the “heads” side, the reverse is the “tails” side, and the edge is the thin side of the coin. The raised border is the rim. Words on a coin are called legends or mottos. The main image is the device, and the background is the field. Blank discs before they become coins are called planchets.

The Obverse of the 1988 Quarter

The obverse shows George Washington facing left. The motto “In God We Trust” appears under his chin, and the legend “Liberty” floats above his head.

The mint mark sits to the right of Washington’s ponytail, and the date “1988” appears below. Washington’s neckline truncation bears the initials “JF” for designer John Flanagan. Note: Philadelphia Mint coins carry a small “P” mint mark here — a practice that began in 1980 for quarters.

The Reverse of the 1988 Quarter

The reverse features a heraldic bald eagle with 13 arrows clutched in its talons. The eagle’s wings are spread wide, and an olive wreath runs between their tips.

“United States of America” arcs across the top, with “E Pluribus Unum” directly below it. “Quarter Dollar” appears at the bottom as the denomination.

Other Features of the 1988 Quarter

The 1988 quarter uses the clad “sandwich” composition introduced by the Coinage Act of 1965. Specifically, it has a pure copper core bonded to outer layers made of 75% copper and 25% nickel, giving an overall composition of 91.67% copper and 8.33% nickel.

This construction is sometimes called the “Johnson Sandwich,” named after President Lyndon B. Johnson who signed the Coinage Act of 1965 into law. The coin measures 24.3mm in diameter, weighs 5.67 grams, has a thickness of 1.75mm, and carries 119 reeds on its edge. Its melt value is roughly 6–7 cents — well below its 25-cent face value.

Also Read: Top 20 Most Valuable 1776-1976 Bicentennial Quarter

 

1988 Quarter Value: Mintage & Survival Data

The total combined output across all three U.S. Mint facilities in 1988 reached a staggering 1,162,125,636 coins — over one billion quarters struck in a single year. Philadelphia led with 562,052,000 coins, Denver contributed 596,810,688 pieces, and San Francisco struck just 3,262,948 proof-only specimens.

What truly matters to collectors is the survival rate, not raw mintage figures. Both Philadelphia and Denver business strikes show survival rates around 10%, meaning roughly 90% of those billions of coins have been lost to heavy wear, damage, or attrition over the past 35+ years.

The San Francisco proof quarters tell a different story entirely, boasting a survival rate near 85.5%. This is because they were sold directly to collectors in proof sets and carefully preserved from the moment they were issued.

This dramatic difference in survival rates explains why a circulated 1988 quarter might sell for face value while a pristine certified example commands a serious premium. The scarcity is real — it just lives at the top of the grading scale, not in the general population.

Also Read: Top 100 Most Valuable Washington Quarter Worth Money (1932 – 1998)

 

The Easy Way to Know Your 1988 Quarter Value

Identifying your 1988 quarter’s worth starts with three critical factors: mint mark location, surface condition, and luster quality. Check the obverse for “P,” “D,” or “S” — proof coins from San Francisco carry premiums. Examine Washington’s hair details and the eagle’s feathers under a magnifying glass; sharp, unworn features indicate higher grades. CoinValueChecker App analyzes these characteristics instantly through your phone camera.

 

1988 Quarter Value Guides: All Three Varieties Explained

The 1988 quarter was produced at three U.S. Mint facilities, each creating distinct varieties for collectors:

• 1988-P Quarter (Philadelphia)
• 1988-D Quarter (Denver)
• 1988-S DCAM Quarter (San Francisco)

Philadelphia produced business-strike quarters with the small “P” mint mark for general circulation. Denver contributed business-strike coins bearing the “D” mint mark. San Francisco exclusively produced proof quarters featuring the spectacular Deep Cameo (DCAM) finish — a term meaning the coin’s design elements (devices) appear frosted white against mirror-like background fields, creating a dramatic visual contrast.

It’s important to note that the 1988 era is associated with notably poor quality control at the U.S. Mint. Philadelphia’s production quality hit a low point in the early 1980s and only began to improve around 1987–1988. This means well-struck, mark-free examples from this year are genuinely uncommon, even among the billions minted.

 

1988-P Quarter Value

The 1988-P quarter is the second-highest production coin of the year, with 562,052,000 struck at the Philadelphia Mint. Philadelphia coins from this era carry the “P” mint mark — a practice that began for quarters in 1980. If you find a 1988 quarter that appears to have no mint mark, it is almost certainly an error (see the error section below), not an intentional no-mint-mark issue.

Despite its massive mintage, the 1988-P is a genuinely difficult coin to find in superb gem condition. As of recent PCGS population data, only 15 examples have been certified at MS-67 (Mint State 67 — meaning a nearly perfect, uncirculated coin with only minor contact marks). That tiny population, drawn from over 562 million coins, illustrates what collectors call “condition rarity.”

The auction record for a 1988-P quarter stands at $750, achieved on eBay in November 2021 for a PCGS MS-67 example. The very finest known specimens, graded MS-67+, have reached as high as $4,250 at auction.

The auction record chart below reveals the price volatility these coins have experienced across different grade levels over the past decade.

Meanwhile, the market activity demonstrates sustained collector interest, with notable peaks during recent months.

 

1988-D Quarter Value

The 1988-D quarter was actually the highest-production coin of the year, with the Denver Mint striking 596,810,688 pieces — slightly more than Philadelphia. It’s identifiable by the small “D” mint mark to the right of Washington’s neck on the obverse.

Here’s something that surprises many collectors: the 1988-D is considered one of the toughest dates in MS-67 condition across the entire clad Washington quarter series (1976 to date). According to PCGS CoinFacts, it is even harder to find in MS-67 than some silver Washington quarter issues from the 1930s. Only about 15 examples are certified MS-67 by PCGS (with NGC reporting approximately 16), despite nearly 600 million coins being struck.

The auction record is equally striking. Heritage Auctions sold a PCGS MS-67 example in January 2017 for $1,645 — the highest recorded price for any business-strike 1988 quarter. A second MS-67 sold through the Newman Portal in 2019 for $660, illustrating how prices can vary even at the same grade.

The auction record chart below illustrates the price performance of certified examples over the years, showing considerable variation based on grade and market timing.

Current market activity reveals steady collector engagement, with fluctuations reflecting broader numismatic market trends.

 

1988-S DCAM Quarter Value

The 1988-S DCAM quarter is the premier collector issue from this year, produced exclusively at the San Francisco Mint for inclusion in annual proof sets. With just 3,262,948 coins struck, it has the lowest mintage of the three varieties by a wide margin.

“DCAM” stands for Deep Cameo — a designation awarded by grading services like PCGS and NGC when a proof coin displays exceptional contrast between its frosted, satiny devices and deeply mirrored fields. This contrast is what makes modern proof coins so visually striking. A less-pronounced contrast earns a plain “CAM” (Cameo) designation; coins with no cameo contrast are simply graded as standard proofs.

Because these coins were produced exclusively for collectors and never placed into circulation, the survival rate is an impressive 85.5%. PCGS has certified 1,273 examples at the perfect PR-70 DCAM grade, which explains why even a flawless example trades for only around $36 today — supply of perfect coins is ample relative to demand.

The all-time auction record for this variety is $403, achieved at David Lawrence Rare Coins in 2007 for a PR-70 DCAM example. This actually illustrates an important concept: the 1988-D in lower MS-67 commands far more money than the 1988-S in perfect PR-70, purely because of condition scarcity.

Historical auction data shown in the chart below demonstrates consistent value for top-graded specimens across various platforms.

The accompanying market activity trends indicate robust collector demand, displaying distinct seasonal patterns throughout the year.

Also Read: What Quarters Are Worth Money

 

Rare 1988 Quarter Value: Full Error List

At the U.S. Mint, presses strike hundreds of coins per minute. This high-speed production occasionally produces mistakes — and those mistakes can dramatically increase a coin’s value. True mint errors are rare; most odd-looking coins are simply post-mint damage (PMD) caused by wear, scratches, or environmental exposure.

The important distinction: a genuine mint error will show consistent, matching characteristics on both sides of the coin and will weigh and measure differently than a normal specimen. If something looks wrong on only one side, it’s likely damage — not an error.

Here are the known 1988 quarter errors and their documented values:

1. 1988-P Quarter Missing Mint Mark (Grease-Filled Die Error)

All 1988 Philadelphia quarters were intentionally produced with a “P” mint mark — unlike earlier years when Philadelphia coins had no mark. If your 1988 quarter appears to have no mint mark, the most likely explanation is a grease-filled die error: a minting flaw where lubricant or debris clogged the mint mark punch, preventing it from leaving a clear impression on the coin.

This is considered a true error because a missing P on a post-1980 Philadelphia quarter is abnormal. These coins attract collector interest and can sell for a modest premium over face value depending on the severity of the fill.

2. 1988-P Quarter Broadstruck Error

Coins need a retaining collar — a metal ring around the planchet — to maintain their circular shape and correct diameter during striking. If the collar fails or the planchet misses it entirely, the metal spreads outward beyond its normal boundary, creating a coin that is wider and flatter than standard. This is called a broadstrike or broadstruck error.

Broadstruck 1988 quarters typically sell for $20–$30. A specific ANACS-graded MS-63 example sold for approximately $15.

3. 1988-P Quarter Partial Collar Error

A partial collar error occurs when only part of the retaining collar is in place during striking. The result is a coin with one normal reeded edge and one smooth, spread-out section — it almost looks like the coin is “stepping” on one side.

An ANACS MS-63 example of this error on a 1988-P quarter sold for approximately $18.

4. 1988-P Quarter Struck on a Nickel Planchet (Wrong Planchet Error)

A wrong planchet error (also called an off-metal error) happens when a coin is struck on a blank disc intended for a different denomination. In this case, a quarter die struck on a 5-cent (nickel) planchet.

Since nickels measure 21.21mm versus the quarter’s 24.3mm, parts of the design get cropped off the edges. The coin also weighs only about 5 grams instead of the normal 5.67g. In MS-66 condition, one such example sold for $850.

5. 1988 Quarter Struck on a Dime Planchet

This is the same type of wrong planchet error, but even more dramatic. A dime planchet measures only 17.91mm — significantly smaller than a quarter — so substantial portions of both the obverse and reverse designs are missing. The mint mark area on the obverse is usually cut off entirely.

Even without examining the design, the weight gives it away immediately. Graded MS-62, this error sold for $480.

6. 1988-D Quarter Struck 10% Off-Center

An off-center strike occurs when the planchet is not properly centered beneath the dies at the moment of striking. One portion of the coin gets struck normally, while the opposite edge is blank (unstruck).

Off-center errors are typically described by the percentage of the coin that is blank. A 5%–10% off-center 1988 quarter typically sells for $15–$30. This particular ANACS AU-55 example (10% off-center on the right edge) sold for about $50.

For context, an off-center error showing 50% blank space but with a fully visible date can bring $150–$200 — the complete date is essential to collector value.

7. 1988-P Quarter Struck Off-Center (Larger Misalignment)

This is the same error type as above but from the Philadelphia Mint and with more significant misalignment. The blank area spans the lower obverse and upper reverse, cutting off the top of the eagle, Washington’s head, and the upper legends.

Graded MS-63 by ANACS, this example sold for approximately $69 — more than the Denver example due to the larger offset.

8. 1988-D Quarter Missing Clad Layer

All quarters made after 1965 use the clad “sandwich” construction — a pure copper core bonded to outer copper-nickel layers. Occasionally, one of those outer layers fails to bond during the manufacturing process and slips off, leaving the copper core exposed.

The result is a coin with a dramatically different color on one or both sides. A 1988-D quarter missing its obverse clad layer, graded MS-62, sold for $155.

9. 1988-P Quarter Die Break Error (Cud)

Coin dies have a limited lifespan and strike thousands of coins before being retired. Near the end of their service life, dies develop cracks and chips — called die breaks or cuds. These flaws transfer to every coin struck with that damaged die, appearing as raised lines, blobs of metal, or scooped areas on the coin’s surface.

Cuds most commonly appear at the coin’s rim. Even in lower circulated grades, die break errors on 1988 quarters sell for around $50 on eBay.

10. 1988-P Quarter Struck-Through Grease Error

A struck-through grease error (also called a filled die) happens when lubricant, grease, or other debris fills the recessed areas of a die before striking. The metal doesn’t fully fill those areas on the coin, resulting in weak, mushy, or missing design details — particularly in fine lines like hair strands or lettering.

These errors are more common than most other types and are typically worth $5–$20 depending on severity. Significant grease fill affecting major design elements commands higher premiums.

Also Read: 20 Rare Washington Quarter Errors Worth Money (Full List with Pictures)

 

Where to Sell Your 1988 Quarter?

Now that you know the value of your coins, do you know where to sell those coins online easily? Don’t worry, I’ve compiled a list of these sites, including their introduction, pros, and cons.

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

 

1988 Quarter Market Trend

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

 

FAQ about 1988 Quarter Value

1. Is There a 1988 Silver Quarter?

No, the 1988 quarter contains no silver. All 1988 quarters — from Philadelphia, Denver, and San Francisco — were struck in copper-nickel clad composition. The last circulating silver quarters were made in 1964. The U.S. Mint did resume striking silver proof quarters in 1992 for collectors, but those are a separate issue not produced in 1988.

2. What Is the Most Valuable 1988 Quarter Ever Sold?

The highest recorded auction price for a 1988 quarter is $1,645, paid at Heritage Auctions in January 2017 for a 1988-D example graded PCGS MS-67. The 1988-P record stands at $750 (eBay, November 2021), and the 1988-S DCAM proof record is $403 (David Lawrence Rare Coins, 2007) for a flawless PR-70 DCAM example.

3. Why Is the 1988-D Quarter Worth More Than the 1988-S Proof in High Grades?

This surprises many collectors. The 1988-S proof was made in smaller numbers (3.26 million), but PCGS has certified over 1,273 examples at the perfect PR-70 DCAM grade — making top-grade proofs relatively easy to find. By contrast, fewer than 15–16 MS-67 examples of the 1988-D are known from a mintage of nearly 600 million. Scarcity at the specific grade level — not overall mintage — is what drives value.

4. How Many 1988 Quarters Are in MS-67 Condition?

As of the most recent PCGS population data, only 15 examples of the 1988-P and approximately 15 examples of the 1988-D have been certified at MS-67 by PCGS. NGC reports roughly 16 for the Denver issue. PCGS CoinFacts specifically notes the 1988-D is among the toughest clad Washington quarter dates (1976 to present) to find in MS-67 — harder than several silver issues from the 1930s.

5. What Does “DCAM” Mean on a 1988-S Proof Quarter?

DCAM stands for Deep Cameo. It’s a designation awarded by grading services like PCGS and NGC to proof coins that show exceptional contrast between their frosted, matte-white design elements (called devices) and their deeply mirror-like background fields. A coin with less dramatic contrast earns a standard CAM (Cameo) designation. DCAM is considered the premium designation and adds value to proof coins.

6. What Is a 1988 Quarter Worth If It Has No Mint Mark?

A 1988 quarter without a visible mint mark is almost certainly a grease-filled die error — a minting flaw where lubricant clogged the die punch before the “P” was struck onto the coin. Unlike pre-1980 Philadelphia quarters, which normally carried no mint mark, a missing “P” on a 1988 quarter is genuinely abnormal. These pieces can attract a small collector premium, but should be examined by a professional to rule out simple wear of the mint mark from heavy circulation.

7. Is a 1988 Quarter Worth Saving From Circulation?

In circulated condition, the vast majority are worth only face value (25 cents). However, if you find a 1988 quarter that appears fully uncirculated — with bright, original luster and no wear on Washington’s cheekbone or the eagle’s breast — it may be worth having graded. A PCGS or NGC MS-65 example can sell for a few dollars, while an MS-66 brings $55–$65. Finding an MS-67 from circulation is extremely rare, but those sell for hundreds of dollars.

8. Are There Any Doubled Die Varieties Known for the 1988 Quarter?

While major doubled die varieties (where the design appears noticeably doubled due to the die being impressed twice at a slight angle) have not been officially cataloged as major varieties for the 1988 quarter, collector forums such as CoinTalk have documented potential doubling on some 1988-D examples. Any coin that appears to show doubling on the date, lettering, or design elements should be examined closely under magnification and compared against known post-mint damage before submitting to a grading service.

9. How Do I Tell a 1988 Mint Error from Post-Mint Damage?

This is one of the most important questions for any beginning collector. Genuine mint errors show consistent, matching characteristics on both sides of the coin; post-mint damage (PMD) typically affects only one side or appears as isolated scratches, dents, or discoloration. For suspected wrong planchet or off-center errors, weigh the coin: a genuine error will differ significantly from the standard 5.67g. For PCGS or NGC certification of anything valuable, always weigh and measure first.

10.What Were the 1982 and 1983 Washington Quarters, and Why Are They More Valuable Than the 1988?

The 1982 and 1983 Washington quarters are legitimately scarce in uncirculated grades — more so than the 1988 issue. This is because the U.S. Mint did not produce official uncirculated sets (mint sets) in those two years, meaning no rolls were specifically set aside for collectors. A severe economic recession also caused many collectors to spend their coin hoards. As a result, true mint-state examples from 1982 and 1983 are considerably harder to find than 1988 issues, which benefited from normal uncirculated set production that year.