A single 1931-S Mercury dime graded MS67+FB sold for $270,250 at auction in June 2019 — yet circulated examples start below $10. The difference? Mint mark, condition, and the Full Bands designation on the reverse fasces. This free tool pinpoints where your coin falls.
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The Full Bands (FB) designation is the single biggest value driver on a 1931 dime — it can multiply worth by 5× to 10× in high mint-state grades. Use this checklist to see if your coin might qualify.
The two central horizontal bands on the fasces are bridged, blended, or only faintly separated. Even under magnification you can see connections between them. This is the typical strike quality for most 1931 dimes, especially Philadelphia and many Denver issues.
Both central horizontal bands show a clean, uninterrupted gap all the way across their width. Under a 10× loupe you can see light passing through between them with no bridges or touching points. This sharp strike, particularly prized on the 1931-S, commands dramatic premiums at MS grades.
Check all four that apply to your coin:
This chart covers all major 1931 Mercury dime varieties across four condition grades. For a deeper look at each variety's identification markers and current PCGS auction data, see the in-depth 1931 dime identification walkthrough and reference guide. The 1931-S FB row (highlighted gold) represents the signature variety with the most dramatic upside.
| Variety | Worn (G–VG) | Circulated (F–AU) | Uncirculated (MS60–64) | Gem MS (MS65+) |
|---|---|---|---|---|
| 1931-P (No Mint Mark) | $7 – $9 | $11 – $50 | $59 – $1,700 | $1,700+ |
| 1931-P Full Bands | — | $44 – $71 | $92 – $3,450 | $3,450+ |
| 1931-D (Denver) | $11 – $14 | $18 – $92 | $110 – $1,470 | $1,800+ |
| 1931-D Full Bands | — | $67 – $100 | $140 – $2,300 | $5,880 (record) |
| 1931-S Full Bands ★ | $15 – $18 | $110 – $180 | $230 – $3,680 | $23,000+ / Record $270,250 |
| 1931-S (No FB) | $8 – $9 | $11 – $100 | $130 – $3,680 | $3,680+ |
★ Signature variety. Values are market ranges based on PCGS/Greysheet data; individual coin prices vary by strike quality, toning, and eye appeal.
📱 CoinHix lets you photograph your 1931 dime and cross-reference its condition against graded examples in seconds — a coin identifier and value app.
Beyond the three standard mint varieties, the 1931 date produced two recognized Doubled Die Obverse (DDO) varieties — one from Denver and one from San Francisco — both catalogued as FS-101 in major variety references. These are the only currently attributed mint errors for the 1931 date, but they reward careful inspection with meaningful premiums. The cards below cover each variety's diagnostic features, recognition tips, and current market context.
The 1931-D DDO FS-101 is a working-die variety caused by a misaligned second hub impression during die manufacture. Because the die received its design elements twice in slightly different positions, every coin struck from that die carries a permanent doubled image on the obverse. The doubling is most concentrated on the obverse inscriptions and was not caught at the Denver Mint before the die entered service.
To recognize this variety, examine "IN GOD WE TRUST" under a 10× loupe. The doubling appears as a distinct secondary set of letters offset from the primary — not a blurred or ghost image caused by die wear, but a sharply defined second impression. The date digits and the word LIBERTY may also show splitting, particularly on the inner curves of the numerals where two edges become visible.
Collector premiums for the 1931-D DDO are substantial precisely because the Denver issue already carries a low-mintage story. Many examples of this variety have circulated through collections unattributed, keeping the attributed population relatively small. An MS67+ specimen realized $2,640 at auction — well above a standard 1931-D at the same grade — and even circulated pieces in the $50–$150 range command a lift over non-DDO Denver examples.
The 1931-S DDO FS-101 is the San Francisco counterpart to the Denver DDO, sharing the same mechanism — a hubbing misalignment during working-die production — but originating from a separate die pair at the San Francisco Mint. The San Francisco Mint in 1931 was also notable for producing some of the sharpest strikes in the series, which creates an interesting interplay: the best-struck 1931-S coins can carry both the DDO attribution and a Full Bands designation simultaneously.
The doubling on this variety follows the same obverse-inscription pattern as the Denver DDO. Under a 10× loupe, "IN GOD WE TRUST" shows a secondary letter set clearly offset from the primary. The innermost strokes of the date digits are also a diagnostic area, with the first 1, the tail of the 9, and the base of the 3 each displaying a visible secondary edge under proper lighting. The doubling is subtle enough that most circulated examples have never been formally attributed.
The premium spread on the 1931-S DDO is particularly dramatic when Full Bands is also present. A non-FB MS63 sold for $228, while an MS65FB example with the DDO attribution reached $3,425 — a gap that illustrates how two premium factors compound each other. The FS-101 designation is the key attribution, and collectors pursuing registry sets actively seek these coins.
The 1931-S Full Bands is not a mint error in the traditional sense — it is a strike quality designation that recognizes the San Francisco Mint's superior die preparation and hub pressure in 1931. The result is a coin on which both central horizontal bands of the reverse fasces are fully separated, producing a surface detail sharp enough to drive the most dramatic premium in the entire 1931 Mercury dime series. At its peak, a single MS67+FB example sold for $270,250.
Full Bands on the 1931-S are recognized by PCGS and NGC when both central horizontal bands show complete, uninterrupted separation across their full width. The bands must not touch, bridge, or blend at any point — even a hairline connection disqualifies the designation. Because the San Francisco Mint consistently produced sharper hub impressions than Denver or Philadelphia in this era, the 1931-S has a higher natural rate of FB survivors, but gem-quality examples remain genuinely scarce.
The price structure for the 1931-S FB is steep and condition-sensitive. MS64FB examples trade around $500–$1,500; MS65FB specimens reach $3,000–$5,000 or more; and anything grading MS66FB or above enters rare-coin territory. The record $270,250 paid for an MS67+FB example at Legend Rare Coin Auctions in June 2019 stands as the benchmark for the entire 1931 date across all mints.
The 1931-D Mercury dime was struck at Denver with a mintage of just 1,260,000 — the lowest of any regular-issue Mercury dime in 1931 and one of the lower annual totals for the entire series. This scarcity earns it semi-key status among Mercury dime collectors, meaning it is neither as rare as the great key dates of the series nor as easy to find as the common Philadelphia issues. At any grade above Fine, the 1931-D commands a meaningful premium over its Philadelphia counterpart.
Identifying the 1931-D requires flipping the coin to the reverse and looking for a small "D" mintmark to the left of the lower section of the fasces bundle. The mint mark is small and can be partially obscured by strike weakness or wear in lower grades. Under a 5× loupe the "D" should be legible in all but the most heavily worn pieces. The obverse features are identical to all other 1931 Mercury dimes — Liberty's winged cap portrait designed by Adolph Alexander Weinman.
The market for the 1931-D responds sharply to condition upgrades. A Good-grade piece sells in the $11–$14 range; an MS67 non-FB example brought $1,800 at Stack's Bowers in November 2019. When Full Bands are added, the ceiling rises further: the FB auction record for the 1931-D stands at $5,880 for an MS67FB example, confirming that sharp strikes from Denver carry substantial collector premiums.
The 1931 Philadelphia Mercury dime carries no mint mark and represents the most frequently encountered of the three 1931 varieties, with 3,150,000 struck. For a Mercury dime, however, even the "common" 1931-P is relatively scarce compared to later-decade issues — 1931 falls in the trough of Depression-era coin production, when all three mints dramatically reduced output compared to the boom years of the mid-1920s. This means even worn Philadelphia examples are worth multiples of face value as silver bullion alone.
Confirming a Philadelphia origin is simple: check the reverse to the left of the fasces base. The absence of any mint mark letter confirms Philadelphia manufacture. The obverse is identical in design to Denver and San Francisco issues. In circulated grades the Philadelphia dime is visually indistinguishable from its sister issues except by that mint mark location check.
In heavily worn Good condition, the 1931-P trades in the $7–$9 range. Circulated Fine to AU examples span $11–$50. Uncirculated pieces without Full Bands run $59–$1,700, and Full Bands specimens jump to $92–$3,450. The PCGS auction record for the 1931-P Full Bands is $17,400 for an MS67+FB example sold at Heritage Auctions in January 2024, a result that underscores how even the "common" Philadelphia issue can reach impressive heights in the highest grades.
Run the calculator now to get an estimated value range based on your specific mint mark, grade, and variety combination.
| Mint | Mint Mark | 1931 Mintage | Notable Survival |
|---|---|---|---|
| Philadelphia | None | 3,150,000 | Most common 1931 issue; FB examples scarce in gem grades |
| Denver | D | 1,260,000 | Lowest mintage of the year; semi-key status; DDO FS-101 variety recognized |
| San Francisco | S | 1,800,000 | Sharpest strikes; highest FB survival rate; record $270,250 for MS67+FB |
| Total (All Mints) | — | 6,210,000 | Depression-era low output; all three varieties scarce relative to earlier years |
Mercury dimes grade primarily on the obverse hair detail and reverse band clarity. The 17.9 mm silver coin shows wear quickly at the high points — Liberty's hair waves above the forehead, the leading wing edge, and the fasces bands on the reverse.
Liberty's hair above the ear shows little to no strand separation. Wing detail is flat. On the reverse, the rods of the fasces blend together and horizontal bands are invisible. The date and "LIBERTY" are readable. Worth $7–$14 depending on mint mark.
At Fine, major hair strands separate but high curls are flat. Bands on the reverse are outlined but not split. About Uncirculated shows only slight friction on the hair waves and band ridges, with most luster intact. Worth $11–$100+ by mint mark.
No wear anywhere; full mint luster present. Contact marks and bag marks are visible to the naked eye. The fasces bands may be flat or separated depending on strike quality. Full Bands qualification starts here and can triple or quadruple value.
Exceptional luster, very few contact marks, strong eye appeal. At MS65, marks are light and require slight magnification. MS66 and above are nearly pristine. Full Bands gems are the most desirable — record prices for the 1931-S FB reach into the hundreds of thousands.
🔎 CoinHix lets you match your coin's surface against graded reference examples to verify condition before you submit for professional grading — a coin identifier and value app.
The right venue depends on your coin's grade and whether it's attributed. A worn $10 coin and a gem Full Bands example need very different selling strategies.
Best for gem uncirculated or Full Bands specimens — particularly if PCGS or NGC graded. Heritage's numismatic auction house reaches the deepest pool of serious Mercury dime collectors and has achieved the top auction results for the series. Fees apply; best for coins worth $500+.
Strong market for circulated to mid-range uncirculated examples. Check recently sold prices for 1931 Mercury dimes on completed eBay listings to set a realistic "Buy It Now" price or opening bid. Graded slabs sell faster and at higher prices than raw coins on the platform.
Fast, no-hassle cash for circulated examples. Dealers typically pay 60–75% of retail for worn pieces and closer to 80–85% for sought-after mint-state examples they can resell quickly. Shop around — offers can vary significantly between dealers for a semi-key date like the 1931-D.
Good for mid-grade collectors. The subreddit reaches a knowledgeable audience willing to pay fair retail for attributed varieties and nicely original examples. Requires clear, well-lit photos and honest descriptions. No seller fees, but payment is typically via PayPal or Venmo.
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