How Much Is a Mercury Dime Worth?

What is a Mercury Dime?

A Mercury dime is a U.S. ten cent coin struck from 1916 to 1945. Designed by Adolph Weinman, the same artist behind the Walking Liberty half dollar, the obverse shows Liberty facing left wearing a winged cap. The reverse features a bundle of rods symbolizing strength through unity and wrapped in an olive branch representing peace.

The coin earned its popular nickname because the public mistook Liberty's winged cap for the winged helmet worn by the Roman god Mercury, even though the design was never meant to depict him at all. Mercury dimes were struck across both World Wars, giving the series a strong historical connection on top of its collector appeal. In 1946, the design was replaced by the Roosevelt dime, honoring President Franklin D. Roosevelt shortly after his death. For a beginner, the winged cap design is the easiest way to instantly recognize a Mercury dime among a jar of old coins.

When Were Mercury Dimes Made?

Mercury dimes were minted every year from 1916 through 1945, a 30-year run struck at three U.S. Mint facilities: Philadelphia (no mint mark), Denver ("D"), and San Francisco ("S"). Not every mint produced dimes every year, which is part of why certain year-and-mint combinations are far scarcer than others.

This period spans some of the most chaotic decades in American history, including both World Wars and the Great Depression, and the series' mintages reflect that history directly. Extremely low mintages in 1916 and 1921 line up with economic disruption, while the massive wartime production of 1944 and 1945 reflects the country's booming need for coinage during World War II. The series ended in 1945, and beginning in 1946, the Roosevelt dime took over as the standard circulating ten cent piece, a design still in use today.

Where Is the Mint Mark on a Mercury Dime?

The mint mark on a Mercury dime appears on the reverse of the coin, near the bottom left, just to the left of the fasces. A small letter or no letter at all indicates which mint struck the coin: no mark means Philadelphia, "D" means Denver, and "S" means San Francisco.

Because the mint mark is small and positioned near the coin's edge, it can wear down or become hard to read on heavily circulated examples, so a magnifying glass or coin loupe is helpful when checking. Correctly identifying the mint mark is especially important for this series, since it's the difference between an ordinary 1916 Philadelphia dime and the extremely valuable 1916-D.

Are Mercury Dimes Made of Silver?

Yes. Every Mercury dime is struck from 90% silver and 10% copper. This composition is identical across the entire series, meaning every date and mint mark, from the scarcest 1916-D to the most common wartime issue, contains exactly the same percentage of silver.

This is an important distinction from the dimes minted starting in 1965, which switched to a copper-nickel composition with no silver content at all. Any dime dated 1964 or earlier, including every Mercury dime, contains real silver, which gives it a baseline melt value completely separate from any collector premium. This silver content is also why Mercury dimes are popular among people who buy and sell precious metals purely for their silver weight, not just coin collectors chasing specific dates.

How Much Silver is in a Mercury Dime?

Each Mercury dime weighs 2.5 grams and, at 90% silver purity, contains 0.07234 troy ounces of pure silver. That's a small amount individually, but it adds up: a full roll of 50 Mercury dimes contains roughly 3.6 troy ounces of silver, making rolls or bags of old dimes a popular, affordable way to accumulate silver.

Because every Mercury dime shares this exact same silver content regardless of date or mint mark, melt value is easy to calculate: multiply 0.07234 by the current silver spot price. This gives a useful floor for any Mercury dime's value. Even the most common, heavily worn example is always worth at least its silver content, though scarcer dates and better conditions can be worth substantially more on top of that baseline.

What is a Mercury Dime Worth?

Most Mercury dimes from the more common years, particularly 1934 through 1945, are worth somewhere around $5-7 in typical circulated condition. This largely reflects silver content plus some collector premium. Better-preserved uncirculated examples of common dates can bring somewhat more, especially coins that qualify for the "Full Bands" designation, meaning the horizontal bands on the reverse bundle of rods show complete, unbroken separation.

Beyond these common dates, a small number of key dates and varieties are worth dramatically more: hundreds of dollars into the tens of thousands, depending on date, mint mark, and condition. Because that value gap is so wide, the smartest first step for a beginner is checking a Mercury dime's date and mint mark against a rarity guide before assuming it's only worth its silver melt value. A coin loupe or magnifying glass helps here, since mint marks and overdate details can be small and easy to overlook.

Which Mercury Dime Dates Are Valuable?

The clear standout key date is the 1916-D, struck at the Denver mint with a mintage of only 264,000 — the lowest of the entire series. It's worth roughly $700 or more even in heavily worn condition, and gem uncirculated examples with Full Bands have sold for well over $80,000. Because of its value, the 1916-D is also the most commonly counterfeited Mercury dime, often created by adding a fake "D" to an ordinary 1916 Philadelphia dime.

The 1921 and 1921-D are considered semi-key dates, both struck during a postwar recession that suppressed demand for new coinage. The 1921 had a mintage of about 1.2 million and the 1921-D just under 1.1 million. Both can sell for $60 to several thousand dollars depending on condition. The 1926-S and 1945 Philadelphia are notable for chronically weak strikes, making sharply struck examples scarce. The 1942/1 and 1942/1-D overdates, created when 1941 dies were reused and re-punched with a "2", are dramatic, valuable error coins that can be spotted under magnification by the visible ghost of the underlying "1."

What Is the 1916-D Mercury Dime?

The 1916-D is the single most famous and valuable date in the series, with a mintage of just 264,000: by far the lowest of any regular-issue Mercury dime. Because the design was brand new and not yet widely recognized as collectible, most 1916-D dimes were spent into circulation and heavily worn over the following decades, making well-preserved examples especially rare today.

A 1916-D in worn, low-grade condition can still be worth about $700+, while examples in higher circulated grades and uncirculated condition sell for thousands to tens of thousands of dollars. Because of its fame and value, the 1916-D is also the most frequently counterfeited Mercury dime. Any suspected 1916-D should be authenticated by PCGS or NGC before being bought, sold, or assumed genuine.

How Do You Sell Mercury Dimes?

Selling Mercury dimes starts with sorting them by date and mint mark, since even a modest collection can contain a mix of common dates worth only slightly more than melt value alongside the occasional key date or variety worth vastly more. Common dates can typically be sold in bulk to coin or bullion dealers based on their silver content, while key dates like the 1916-D or the 1942 overdates should be identified individually and, ideally, professionally authenticated before selling.

Getting more than one quote is worth the extra effort, since dealer margins on junk silver and common date coins can vary. If you're located in Connecticut or the surrounding area, Haven Coin & Jewelry in Hamden is a licensed dealer rated 5.0 stars on Google that can sort through a collection in person, correctly identify any key dates or varieties, and offer fair pricing on both the silver content and any collector premium.

FAQ: Mercury Dimes

Are Mercury dimes worth money?

Yes! Every Mercury dime is 90% silver and worth at least its melt value, with common dates typically worth $5-7 and key dates worth hundreds to tens of thousands of dollars.

How much silver is in a Mercury dime?

Each coin contains 0.07234 troy ounces of pure silver, out of a total weight of 2.5 grams at 90% silver purity.

What is the rarest Mercury dime?

The 1916-D is the rarest and most valuable regular-issue date, with a mintage of only 264,000 and values starting around $700 in worn condition.

How much is a Mercury dime worth?

Common dates are generally worth $5-7 in circulated condition, while key dates and varieties like the 1916-D or 1942/1 overdate can be worth thousands of dollars or more.