1939-S Mercury Dime Value What This San Francisco Coin Is Really Worth
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The 1939-S Mercury Dime is worth anywhere from around $3 in heavily worn condition to well over $50 in uncirculated grades — and in top mint state examples, values can climb into the hundreds of dollars. If you found one of these coins in an old jar or inherited collection, you may be sitting on a nice little treasure. Read on to find out exactly what yours might be worth.
What Makes the 1939-S Mercury Dime Special
The 1939-S Mercury Dime was struck at the San Francisco Mint and carries the small “S” mintmark on the reverse, just to the left of the “ONE DIME” inscription. Designed by Adolph A. Weinman, the Mercury Dime — officially called the Winged Liberty Head Dime — is widely considered one of the most beautiful American coins ever produced.
The 1939-S had a mintage of 10,540,000 coins, which is a solid number, meaning circulated examples aren’t particularly rare. However, well-preserved uncirculated specimens are harder to find, and that’s where values start to get interesting.
If you’re trying to identify your coin quickly and get a reliable value estimate, a coin identifier and value app can help you figure out the grade and mintmark before you do any further research.
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1939-S Mercury Dime Value by Grade
The condition of your coin — what collectors call the “grade” — is the single biggest factor in determining its value. A dime that looks shiny and sharp is worth far more than one that’s been worn smooth in someone’s pocket for decades.
Here’s a general breakdown of what the 1939-S Mercury Dime is worth across different grades:
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| Grade | Description | Estimated Value |
|---|---|---|
| Good (G-4) | Heavy wear, flat design | $2 – $4 |
| Fine (F-12) | Moderate wear, details visible | $4 – $6 |
| Extremely Fine (EF-40) | Light wear on high points | $8 – $15 |
| About Uncirculated (AU-55) | Slight friction, mostly sharp | $18 – $30 |
| Mint State (MS-63) | No wear, minor contact marks | $40 – $75 |
| Gem Mint State (MS-65+) | Sharp, lustrous, nearly perfect | $100 – $300+ |
For the most up-to-date auction results and certified price data for the 1939-S Mercury Dime in mint state grades, it’s worth checking recent sales before you buy or sell.
The Full Bands Detail and Why It Matters
One feature that can dramatically boost the value of any Mercury Dime is called “Full Bands” or FB. This refers to the horizontal bands on the fasces — the bundle of rods on the reverse of the coin. When those bands are fully separated and sharply struck, the coin earns the Full Bands designation from grading services like PCGS or NGC.
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A 1939-S Mercury Dime with Full Bands in MS-65 can sell for significantly more than a standard MS-65 example — sometimes two to three times the regular price.
This designation is relatively uncommon on the 1939-S due to strike quality variations at the San Francisco Mint during this period. If your coin looks unusually sharp on the reverse, it may be worth having it professionally graded.
CoinKnow is a great tool for collectors who want to track Full Bands designations and premium values across different Mercury Dime dates and mintmarks, all in one place.
Your Old Coin Could Be Valuable!
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Silver Melt Value and Its Role in Pricing
Every Mercury Dime, including the 1939-S, is made of 90% silver. Each coin contains approximately 0.07234 troy ounces of pure silver. That means even a heavily worn example has real intrinsic metal value based on the current silver spot price.
When silver is trading around $28–$30 per troy ounce, the melt value of a single Mercury Dime works out to roughly $2.00–$2.20. This acts as a price floor — your coin will almost always be worth at least this much, no matter how worn it is.
It’s a simple calculation, but knowing the melt value helps you avoid selling too cheaply. You can find a full breakdown of 1939 Mercury Dime values including silver content estimates and grade-by-grade pricing to help you make an informed decision.
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How to Get the Best Price for Your 1939-S Mercury Dime
If you’re thinking about selling, the venue matters almost as much as the coin itself. Online platforms like eBay and Heritage Auctions often deliver the strongest prices because you reach a national audience of serious collectors.
Local coin shops are convenient, but they typically pay wholesale prices — expect around 60–70% of retail value if you sell directly to a dealer.
For uncirculated examples or coins with the Full Bands designation, professional grading through PCGS or NGC is strongly recommended. A certified grade adds credibility and can significantly increase buyer confidence and final sale price.
CoinKnow helps collectors and sellers track real-time market values and recent auction results, so you always know whether an offer is fair before you accept it. Whether you’re a first-time seller or a seasoned collector, having reliable data in your pocket makes a real difference.
Your Old Coin Could Be Valuable!
Identify It & Know Its Real Value — Free Download
Frequently Asked Questions
Q: How do I know if my 1939-S Mercury Dime is uncirculated?
A: An uncirculated coin will show no signs of wear on the high points of the design — particularly on Liberty’s cheek, the top of her cap, and the bands on the reverse fasces. The coin should also have its original mint luster, which gives it a bright, slightly cartwheel-like shimmer when tilted under light. If those areas look flat or dull from rubbing, the coin has circulated.
Q: Is the 1939-S Mercury Dime rare?
A: In circulated grades, no — over 10 million were minted, so finding a worn example is fairly common. However, well-struck uncirculated examples with Full Bands are genuinely scarce and much harder to locate. Rarity really depends on the grade and specific variety you’re looking for.
Q: Where can I find the current value of my 1939-S Mercury Dime?
A: Start by assessing the condition of your coin as honestly as possible, then compare it to recent auction sales online. Tools like CoinKnow and dedicated coin pricing databases give you real market data rather than outdated book values, which can be a much more accurate reflection of what your coin will actually sell for today.
