1940-S Mercury Dime Value
A 1940-S Mercury Dime is worth roughly $2.70 to $26.50 depending on its condition, and its metal content alone is worth $2.64 as of 2026-06-01 Certified examples in top grades can run far higher.
1940-S Mercury Dime value by grade
| Grade | Estimated value |
|---|---|
| Melt value floor(metal content, 2026-06-01) | $2.64 |
| Good (G-4) | $2.70 to $3.55 |
| Very Good (VG-8) | $2.70 to $3.70 |
| Fine (F-12) | $2.70 to $3.90 |
| Very Fine (VF-20) | $2.85 to $4.20 |
| Extremely Fine (XF-40) | $3.25 to $4.80 |
| About Uncirculated (AU-50) | $3.95 to $5.80 |
| Mint State (MS-60) | $4.95 to $7.25 |
| Choice Unc (MS-63) | $6.75 to $9.90 |
| Gem Unc (MS-65) | $18.00 to $26.50 |
Estimated retail range, updated 2026-06-13. Estimates are modeled from mintage rarity and metal content, not auction records. Actual sale prices vary with certification, eye appeal and market timing.
How much is a 1940-S Mercury Dime worth today?
A 1940-S Mercury Dime that spent decades in circulation is worth about $2.70 today. One that never circulated at all can bring up to $26.50. The honest answer for most inherited or pocket-found examples sits in the lower half of the table.
1940-S Mercury Dime specifications
- Series
- Mercury Dime
- Year
- 1940
- Mint mark
- S
- Mintage
- 21,560,000
- Composition
- 90% silver, 10% copper
- Weight
- 2.5 g
- Diameter
- 17.9 mm
- Edge
- Reeded
- Designer
- Adolph A. Weinman
- Silver content
- 0.07234 troy oz
Mintage figure: US Mint reports (approximate).
How to find the S mint mark
Identifying a 1940-S Mercury Dime hinges on one small letter: the "S" of San Francisco. On the reverse, to the right of the fasces base, left of the E in ONE Verify it before pricing the coin, because a 1940 from a different mint can be worth a very different amount.
Where this coin's value comes from
With 21,560,000 struck, the 1940-S Mercury Dime is one of the more available dates of its series. Its value rests on metal content and condition rather than absolute rarity, which makes it an ideal type coin.
A 1940-S Mercury Dime is real bullion as well as a collectible: 0.0723 troy ounces of fine silver, or about $2.64 of metal value in every example, regardless of condition.
The series itself does some of the lifting for the 1940-S Mercury Dime: Struck from 1916 through 1945, it is among the most beloved silver designs of the twentieth century. Broad, multigenerational demand for the design gives every date, including this one, a deep and liquid market.
Summary: the 1940-S Mercury Dime is valued between $2.70 and $26.50 as of 2026-06-13. Estimates combine mintage rarity, key-date status and metal content; they are editorial guidance, not an offer to buy.