1991 Half Dollar Value (2026 Guide): Errors List, “P”, “S” & “D” Mint Mark Worth

The 1991 Kennedy half dollar is one of those coins that looks ordinary at first glance — but can surprise you with real value if you know what to check.

Most circulated examples are worth close to face value, but high-grade uncirculated and Deep Cameo proof specimens have sold for hundreds or even over a thousand dollars at major auction houses.

 

1991 Half Dollar Value By Variety (P, D & S Mint Mark Guide)

The 1991 Kennedy half dollar was produced at three U.S. Mint facilities — Philadelphia (P), Denver (D), and San Francisco (S) — each creating a distinct variety with different values based on mintage, strike quality, and collector demand.

Philadelphia and Denver struck business coins for everyday circulation, while San Francisco produced only Deep Cameo (DCAM) proof coins exclusively for collector sets. DCAM means the coin has frosted raised design elements contrasting against deep mirror-like fields — the most visually striking finish a modern proof coin can have.

If you know the grade of your coin, you can find the exact current price below in the Value Guides section.

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

 

Top 10 Most Valuable 1991 Half Dollar Worth Money

The most valuable 1991 Kennedy half dollars show a clear pattern: condition is everything. The same coin in MS64 versus MS67 can be worth ten times more, simply because of the grade difference.

The all-time record for any 1991 Kennedy half dollar belongs to a 1991-P specimen graded MS64 that fetched $1,093 at Heritage Auctions in January 2009. That result is remarkable because MS64 is not even a top grade — it illustrates just how scarce problem-free 1991-P coins are even in mid-range uncirculated condition.

Denver’s best result stands at $920 for a PCGS MS67 example sold through Heritage Auctions in September 2008. The 1991-S proof tops out at $690 for an NGC PR70 Deep Cameo specimen sold by Heritage Auctions in March 2010.

According to PCGS, anything grading higher than MS67 for the business strikes is an extreme rarity, with few or possibly no certified examples known above that level. That makes the grade spread from circulated to gem uncirculated remarkably steep for what most people think of as a common modern coin.

 

History Of The 1991 Half Dollar

The Kennedy half dollar has one of the most emotionally charged origins of any U.S. coin. Within days of President Kennedy’s assassination on November 22, 1963, Congress began the process of authorizing a new half dollar design in his honor.

Chief Engraver Gilroy Roberts designed the obverse portrait, adapted from a medallion he had already created for Kennedy’s presidential inauguration. Frank Gasparro designed the reverse featuring the presidential coat of arms. The first Kennedy half dollars reached the public in early 1964 and were immediately hoarded by millions of grieving Americans, effectively removing the denomination from everyday commerce almost overnight.

By the early 1980s, the half dollar had nearly disappeared from daily transactions. As Greysheet notes, the denomination remained on the official business-strike lineup until 2002, but it had become virtually non-existent in day-to-day transactions well before that. The 1991 issue represents one of the final years of genuinely substantial circulation-strike production.

The year 1991 also marked major world events that give this coin added historical context. The Cold War officially ended with the dissolution of the Soviet Union, and the U.S.-led coalition victory in the Gulf War reshaped global geopolitics. These coins were minted during a genuinely pivotal chapter in American history.

Three Mint facilities produced 1991 Kennedy half dollars using copper-nickel clad composition — 75% copper and 25% nickel outer layers bonded over a pure copper core. Philadelphia struck 14,874,000 business strikes with no mint mark. Denver produced 15,054,678 pieces bearing the “D” designation — about 51% of the total business-strike output that year. San Francisco struck 2,867,787 proof specimens exclusively for collector sets.

According to Wikipedia’s Kennedy half dollar mintage records, 2001 was the last year the Mint issued half dollars for general circulation, making the early 1990s issues — including 1991 — among the last coins of this series that could realistically be found in pocket change.

Also Read: Top 35 Most Valuable Franklin Half Dollar Worth Money (1948 – 1963)

 

Is Your 1991 Half Dollar Rare? Rarity Assessment By Variety

The CoinValueChecker App provides detailed rarity assessments to help collectors understand these market positions.

No single 1991 Kennedy half dollar qualifies as a traditionally rare coin. However, as Greysheet’s Kennedy Half Dollar series notes, business strikes grading better than MS66 or MS67 are widely considered conditional rarities — meaning rarity is determined by condition rather than date alone.

The 1991-P has one of the lower mintages in the entire Kennedy series from the circulation era. PCGS expert Jamie Hernandez specifically notes that while examples through MS65 are obtainable, anything above MS67 represents an “extremely rare coin, as few examples if any are known in this condition.” Denver’s 1991-D follows a very similar pattern with comparable grade-rarity thresholds.

 

Key Features Of The 1991 Half Dollar

The 1991 Kennedy half dollar preserves the classic design elements established at the series’ 1964 launch, but uses copper-nickel clad composition — important to understand because it means this coin has no silver content and no bullion melt value to speak of. Its entire worth comes from collector demand for condition and variety.

The Obverse Of The 1991 Half Dollar

The obverse (front) displays President Kennedy’s left-facing portrait, designed by Chief Engraver Gilroy Roberts and adapted from his earlier presidential inauguration medallion. “LIBERTY” curves around the upper rim in bold lettering. “IN GOD WE TRUST” appears in two sections flanking Kennedy’s portrait — “IN GOD WE” to the left and “TRUST” to the right. The date “1991” sits at the bottom center.

Mint marks appear below the truncation of Kennedy’s neck on the right side of the obverse. A “D” designates Denver, “P” designates Philadelphia (Philadelphia began placing the “P” mint mark on coins starting in 1980, breaking a 200-year tradition of striking coins without a mint mark). San Francisco proof coins carry the “S” mark.

The Reverse Of The 1991 Half Dollar

Frank Gasparro’s reverse design reproduces the presidential coat of arms centered on a heraldic eagle. The eagle clutches thirteen arrows in its left talon representing military readiness and an olive branch in its right talon representing the preference for peace.

A circle of fifty stars surrounds the design, one for each state. “UNITED STATES OF AMERICA” arcs around the top rim and “HALF DOLLAR” appears at the bottom, separated from the country name by decorative stars. Gasparro’s initials “FG” appear at the lower right of the eagle’s tail — and their absence on certain Kennedy half dollars is itself a well-known variety worth money.

Other Features Of The 1991 Half Dollar

The 1991 half dollar measures 30.61 millimeters in diameter with a reeded edge containing 150 ridges. It weighs 11.34 grams and measures 2.15 millimeters thick.

The coin’s copper-nickel clad construction — 75% copper and 25% nickel bonded over a pure copper core — replaced the 40% silver composition used from 1965 through 1970, and the 90% silver used in 1964. Unlike those earlier silver issues, the 1991 half dollar has a minimal melt value of roughly $0.15, making its numismatic condition grade the only factor that drives price.

Also Read: Top 60+ Most Valuable Walking Liberty Half Dollar (1916 -1947)

 

1991 Half Dollar Mintage & Survival Data

The mintage and survival numbers for the 1991 Kennedy half dollar tell a fascinating story about how coins age in the real world. Philadelphia struck 14,874,000 coins and Denver struck 15,054,678 — nearly identical totals that together represent about 30 million clad half dollars entering circulation in 1991.

Approximately half of those business strikes have been lost, damaged, or destroyed over the decades, leaving an estimated 7.4 million surviving examples from each mint. Proof coins from San Francisco fared much better, with about 85.5% of the original 2,867,787 mintage — nearly 2.45 million pieces — still surviving in collections today.

This dramatic gap in survival rates between circulation coins and proof coins helps explain a counterintuitive market reality: even though far fewer proofs were made, they are actually easier to find in top grades because collectors preserved them carefully from day one. The rarity challenge for business strikes lies almost entirely in finding high-grade gems, not simply finding any example.

Also Read: What Half Dollars Are Worth Money?

 

The Easy Way to Know Your 1991 Half Dollar Value

Identifying your 1991 half dollar’s value starts with two simple steps: locating the mint mark (P, D, or S below Kennedy’s neck) and honestly assessing the coin’s condition. Look for wear on the high points of Kennedy’s hair, original luster, and any striking errors or anomalies under good light with a magnifier.

Most circulated 1991 half dollars are worth 50 cents to $1. Uncirculated pieces range from $3 to $15 depending on quality, while certified MS66 examples can reach $30 and MS67 specimens command $150 to $200 or more.

For a quick and precise evaluation of your 1991 half dollar’s current market value and condition grade, download our CoinValueChecker App now.

 

1991 Half Dollar Value Guides

• 1991-P Kennedy Half Dollar — Philadelphia Mint, 14,874,000 coins struck, no mint mark on obverse, business strike for circulation. PCGS confirms easy availability through MS65, increasing scarcity in MS66, and genuine rarity above MS67. The lowest mintage of the two business-strike varieties this year. Auction record: $1,093 for an MS64 at Heritage Auctions, January 2009.
• 1991-D Kennedy Half Dollar — Denver Mint, 15,054,678 coins struck, “D” mint mark on obverse below Kennedy’s neck. Business strike for circulation. Grade distribution mirrors the 1991-P, with MS67 being very hard to find and anything higher representing an extreme rarity. Auction record: $920 for a PCGS MS67 at Heritage Auctions, September 2008.
• 1991-S DCAM Kennedy Half Dollar — San Francisco Mint, 2,867,787 proof coins struck for collector sets only, “S” mint mark. Deep Cameo (DCAM) designation means the coin displays heavy frost on raised design elements against mirror-like fields — the highest proof designation awarded by PCGS and NGC. Auction record: $690 for an NGC PR70 DCAM at Heritage Auctions, March 2010.

Each variety serves a different collector audience. The P and D business strikes appeal to Kennedy series set builders and grade-registry competitors targeting conditional rarities. The S proof appeals to date-set collectors and those pursuing perfect PR70 DCAM specimens, with high demand from registry collectors at the PR70 level.

 

1991-P Half Dollar Value

The 1991-P Kennedy half dollar, struck without a mint mark at the Philadelphia Mint, represents the lower-mintage business-strike variety for this year. Its 14,874,000 production total is notable — according to PCGS CoinFacts, the 1991-P has one of the lower mintages in the Kennedy series for the circulation era, with only a handful of post-1998 dates falling below it as the Mint dramatically curtailed output.

In lower circulated grades, these coins are worth roughly 50 cents to $1. Certified mint state examples run from about $3 at MS60 to $7.50 at MS64 and around $15 at MS65. The value jumps meaningfully at MS66 (roughly $30) and again sharply at MS67 (up to $200). Above MS67, examples are so rare they have essentially no established price floor — demand outstrips documented supply.

The anomalous 2009 Heritage Auctions sale of $1,093 for an MS64 example — well below the top grade level — remains a puzzling outlier that numismatists have noted as reflecting unusual collector demand at a specific moment in time, possibly a registry set completion purchase.

Auction records demonstrate significant price variations over different time periods and grade levels.

Market activity shows fluctuating collector interest with periodic peaks throughout the tracking period.

 

1991-D Half Dollar Value

The 1991-D Kennedy half dollar carries Denver’s “D” mint mark below Kennedy’s neck truncation and represents the slightly higher-mintage business-strike variety at 15,054,678 coins. Denver accounted for roughly 51% of the total 1991 business-strike output.

PCGS CoinFacts describes the 1991-D as easy to obtain through about MS65, with MS66 examples tougher to locate but still obtainable inexpensively either raw or certified. At MS67, the coin becomes very hard to find and commands a significant premium.

Some collectors note that Denver strikes from this era can occasionally show slightly sharper detail than Philadelphia examples, making them marginally more attractive to specialists focused on strike quality.

Circulated examples are worth approximately 50 to 76 cents. Uncirculated coins at MS63 bring around $3, rising to about $6 at MS65 and $30 at MS66. The top verified auction result — $920 for a Heritage Auctions PCGS MS67 sale in September 2008 — remains the benchmark for this variety.

Auction records reveal considerable price volatility across different time periods and auction platforms.

Market activity demonstrates seasonal variations with notable fluctuations throughout the monitoring period.

 

1991-S DCAM Half Dollar Value

The 1991-S Deep Cameo (DCAM) proof Kennedy half dollar represents the finest production of the year. San Francisco created these exclusively for 1991 U.S. Proof Sets, using specially polished dies and carefully prepared planchets to achieve the frosted device / mirror field contrast that defines proof coinage at its best.

DCAM is the highest cameo designation — meaning the frost on Kennedy’s portrait and the eagle is heavy and stark against the deep reflective background. Regular proof coins (not designated CAM or DCAM) lack this dramatic contrast and trade at much lower prices. A PR70 DCAM means the coin is essentially flawless under magnification — the rarest and most desirable grade for any modern proof issue.

Regular proof (non-cameo) examples in lower grades start around $1.25 at PF60 and reach about $5 at PF65 and $30 at PF70. Cameo (CAM) versions are slightly higher. Deep Cameo examples command the premium tier, with the highest sale reaching $690 at Heritage Auctions in March 2010 for a perfect NGC PR70 DCAM specimen.

The 1991-S also comes in two additional specialty variants — a Thomas Cleveland Proof Set DCAM and a David Hall Signature DCAM — both listed separately in the PCGS CoinFacts database.

Recent sale prices reflect typical grade-based premiums with occasional outliers in the marketplace.

Trading volume exhibits cyclical patterns with heightened collector engagement at intervals.

Also Read: Rare Half Dollar Coins to Look For

 

Rare 1991 Half Dollar Errors List: What To Look For

The 1991 Kennedy half dollar has no confirmed major named varieties in the PCGS CoinFacts database the way some other years do (for example, the 1974 Doubled Die Obverse or the famous 1982-P No FG variety). However, several types of production errors are known to exist for 1991 issues and can substantially increase a coin’s value when authenticated by a professional grading service like PCGS or NGC.

1. Doubled Die Errors (DDO / DDR)

A doubled die obverse (DDO) or doubled die reverse (DDR) occurs during the die-making process when the hub impresses the design onto a working die at slightly different positions across multiple impressions. This creates a coin where inscriptions like “LIBERTY,” “IN GOD WE TRUST,” or the date appear doubled — with two distinct, overlapping sets of design elements.

On Kennedy half dollars, the most collectible doubling appears on “IN GOD WE TRUST,” Kennedy’s portrait details, or reverse inscriptions. For the 1991 date specifically, minor examples with visible doubling have sold in the $10–$50 range on eBay in ungraded circulated condition, with more dramatic examples potentially fetching higher premiums when authenticated.

2. No “FG” Varieties (Missing Designer Initials)

The initials “FG” — for designer Frank Gasparro — appear near the lower right of the eagle’s tail on the reverse. When die polishing is too aggressive (often done to remove clash marks), these initials can be worn completely off the working die surface. All subsequent coins struck from that die will lack the initials entirely.

The most famous Kennedy half “No FG” varieties are the 1966 SMS, 1971-D, 1972-D, and 1982-P issues, which command meaningful premiums. While a confirmed 1991 No FG has not been publicized as a major variety, it’s worth examining any 1991 half dollar reverse carefully under magnification. If the initials are absent on your coin, it warrants further research and possible professional attribution.

3. Off-Center and Broadstrike Errors

Off-center strikes occur when the planchet (the blank metal disc) isn’t properly centered between the dies at the moment of striking. The result is a coin with a blank crescent-shaped area on one side where the design is completely absent. Broadstrike errors happen when the retaining collar — the ring that controls the coin’s diameter — malfunctions, allowing the metal to spread wider than normal while retaining the full design.

For Kennedy half dollar off-center strikes of the 1991 era, examples showing 30%–50% displacement with the date still readable are the most desirable. Minor 5%–15% off-center examples on circulated coins bring $20–$75; dramatic 30%–50% examples in uncirculated condition can reach $150–$500 depending on eye appeal and whether the date remains visible.

4. Clipped Planchet Errors

A clipped planchet error occurs during the blanking stage, before a coin is ever struck. The metal strip feeding into the blanking press fails to advance properly, causing the cutting punch to overlap a previously punched hole — removing a crescent-shaped “bite” from the blank.

On genuine clipped planchet errors, the “Blakesley Effect” is the key authentication test: the design detail directly opposite the clip will show a weak or absent strike, because the missing metal altered pressure distribution during striking.

For 1991 Kennedy half dollars, curved clip examples in circulated condition bring $20–$75. Larger clips of 15%–25% in uncirculated condition can reach $100–$250. Straight clip errors and multiple clips (two or three missing sections) command higher premiums.

5. Rotated Die Errors

A rotated die error occurs when one die (either the obverse or the reverse hammer die) is not properly aligned with the opposing die at the moment of striking. Normally, the obverse and reverse of a coin are aligned at 180 degrees to each other — if you flip a coin left to right, the reverse image appears upright.

When the dies are misaligned, the reverse appears at an incorrect rotation angle. Rotations of 5–10 degrees are minor and add little value. Dramatic rotations of 45–90 degrees or more are genuine collectibles.

In 2015, Stack’s Bowers sold a Kennedy half dollar MS65 example with a rotated die error for $250, illustrating the premium these errors can command even on common modern issues. The 1991-D has been specifically listed on USA Coin Book as having a “wide and narrow rim” variety, suggesting some die variability exists for this date.

6. Clashed Die Errors

Die clashes happen when the obverse and reverse dies strike each other with no planchet between them. The impact leaves a “ghost” impression of the reverse design on the obverse die and vice versa. Coins subsequently struck from these damaged dies carry faint, secondary design transfers — subtle phantom images from the opposing die visible under magnification.

These production accidents are documented throughout Kennedy half dollar history. Clashed die examples typically add $10–$50 in value over a normal example of the same grade and date, depending on how clearly the clash transfers are visible.

 

Where to Sell Your 1991 Half Dollar

Ready to turn your 1991 Kennedy half dollar into cash? Multiple selling channels offer different advantages — some prioritize speed, others maximize profits, while certain platforms cater to specific collector markets. Choosing the right venue depends on your coin’s condition, your timeline, and desired selling experience.

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

 

1991 Half Dollar Market Trend

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

 

FAQ About The 1991 Half Dollar Value, Errors & Grades

1. Are 1991 half dollars worth anything?

Most circulated 1991 Kennedy half dollars are worth approximately 50 to 76 cents — close to face value. Uncirculated examples start around $3–$5 at MS60 and rise to $15 at gem MS65. High-grade certified MS66 specimens reach about $30, while the rare MS67 coins command $150–$200 or more. The all-time auction record for the series is $1,093, achieved by an MS64 example at Heritage Auctions in 2009. Proof Deep Cameo coins in PR70 condition have sold for up to $690.

2. How can I identify which mint produced my 1991 half dollar?

Check the obverse below the truncation of Kennedy’s neck. Philadelphia coins carry a “P” mint mark (Philadelphia began marking its coins with a “P” in 1980). Denver coins display a “D.” San Francisco proof coins show an “S.” A coin with no mint mark at all would be unusual and potentially worth researching for errors. Philadelphia produced 14.87 million coins and Denver 15.05 million for circulation, while San Francisco struck 2.87 million proofs for collector sets.

3. What is a Deep Cameo (DCAM) designation and why does it matter for my 1991-S proof?

Deep Cameo — abbreviated DCAM — is a designation awarded by PCGS and NGC to proof coins that display heavy, dramatic frosting on the raised design elements (like Kennedy’s portrait and the eagle) against deeply reflective mirror-like fields. It is the highest possible visual quality designation for modern proof coins. A 1991-S proof without a cameo designation might sell for $5–$12 in mid-grades, while the same coin with a PR70 DCAM designation has sold for $690 at Heritage Auctions in March 2010 — a dramatic difference driven entirely by surface quality.

4. What makes the 1991-P so unexpectedly valuable at MS64?

The $1,093 Heritage Auctions sale for an MS64 1991-P in 2009 surprised many collectors because MS64 is not a top grade. PCGS expert Jamie Hernandez has noted that the 1991-P has one of the lower mintages among Kennedy half dollars from the circulation era — lower than most dates in the late 1980s and early 1990s series. Combined with a specific moment of high collector demand, possibly from a registry set buyer, the result was an unusually high price for a mid-level uncirculated example.

5. How do I spot a genuine 1991 half dollar doubled die versus machine doubling?

True hub doubling (a genuine DDO or DDR error) produces thick, rounded, separated letter or design impressions with raised relief on both elements. Machine doubling — sometimes called “shelf doubling” or “ejection doubling” — creates flat, shelf-like extensions at the base of letters that appear smeared rather than duplicated. Machine doubling adds no collector premium, while genuine hub doubling on “IN GOD WE TRUST,” “LIBERTY,” or the date can add $10–$50 or more to the coin’s value. A loupe of at least 5x magnification is recommended for this examination.

6. Is the 1991 half dollar made of silver?

No. The 1991 Kennedy half dollar contains zero silver. It is entirely copper-nickel clad, composed of 75% copper and 25% nickel outer layers bonded over a pure copper core. The last Kennedy half dollars to contain silver in regular business strikes were the 40% silver issues from 1965 through 1970. Beginning in 1992, the U.S. Mint offered 90% silver proof versions of the Kennedy half dollar in special limited-edition sets — but the 1991-S proof is clad, not silver.

7. What is the “No FG” variety and could my 1991 half dollar have it?

The “No FG” variety refers to Kennedy half dollars where designer Frank Gasparro’s initials — “FG” near the eagle’s right tail feathers on the reverse — have been polished off the working die. The most valuable confirmed No FG varieties are the 1966 SMS, 1971-D, 1972-D, and 1982-P issues. While no confirmed 1991 No FG has been widely publicized, it’s worth checking your reverse under magnification. If the initials are absent, research and possible NGC or PCGS submission may be warranted.

8. What does a 1991 half dollar rotated die error look like, and what is it worth?

A rotated die error is visible when you flip the coin from left to right: instead of the reverse appearing upright, it appears at an angle — anywhere from a slight few degrees to a full 90 or 180-degree rotation. Minor rotations of 5–15 degrees add little or no premium. Dramatic rotations of 45–90 degrees or more are documented collectibles; a comparable Kennedy half dollar MS65 with a rotated die error sold at Stack’s Bowers in 2015 for $250, illustrating the potential value of this error type.

9. How should I store a 1991 half dollar to preserve its grade and value?

Store uncirculated 1991 half dollars in airtight coin capsules or Mylar flips to prevent oxidation and contact damage. Keep them in a cool, low-humidity environment away from direct sunlight and temperature extremes. Always handle coins by the edges only, using cotton gloves to avoid leaving fingerprints. Never clean a coin — even a “gentle” cleaning will destroy surface luster and can reduce a coin’s grade by several points, permanently lowering its value.

10. Does it matter if my 1991 half dollar is certified by PCGS or NGC versus raw?

Yes, significantly. Raw (uncertified) coins trade at a discount compared to coins in PCGS or NGC holders because buyers cannot independently verify the grade or authenticity. For circulated and low-end uncirculated 1991 half dollars worth under $10, the $30–$50 cost of professional grading usually doesn’t make economic sense. However, any coin you believe might grade MS66, MS67, or PR70 DCAM should be submitted — a certified MS67 1991-D sold for $920 at Heritage Auctions, while an ungraded raw example in similar condition would likely bring a fraction of that price.