Winged Liberty Head Dimes • 1916–1945 • Buying & Selling

Mercury Dimes

Mercury dimes combine one of America’s most admired coin designs with 90% silver, a manageable date-and-mintmark set, famous keys and overdates, and the challenging Full Bands designation sought by advanced collectors.

1916–1945Years issued
Adolph A. WeinmanDesigner
90% SilverStandard composition
0.07234 Troy Oz.Silver when new

The Winged Liberty Head dime

The Mercury dime’s proper name is the Winged Liberty Head dime. Sculptor Adolph A. Weinman portrayed Liberty wearing a winged cap, symbolizing freedom of thought. The public associated the portrait with Mercury, the Roman messenger god, and the nickname endured.

The reverse shows a fasces—rods bound around an axe—representing unity and strength, paired with an olive branch representing peace. The series replaced the Barber dime in 1916 and gave way to the Roosevelt dime in 1946.

Every regular Mercury dime contains 90% silver. Common circulated pieces therefore have an intrinsic silver floor, while date, mintmark, grade, strike, originality, and variety create additional numismatic value.

Three ways to collect Mercury dimes

The same series works as an affordable silver set, a challenging date-and-mintmark collection, or a demanding study in strike quality.

Silver Type

One-Coin Type Set

A single attractive Mercury dime represents Weinman’s design and the classic 90% silver era of American coinage.

Complete Set

Date & Mintmark Collection

Collectors pursue Philadelphia, Denver, and San Francisco issues, with the 1916-D creating the largest obstacle.

Advanced

Full Bands Collection

Sharply separated central bands on the fasces are elusive on many dates and can produce substantial premiums.

Key Dates, Better Dates & Varieties

Always verify both date and mintmark. Valuable issues are frequent targets for altered mintmarks, counterfeit coins, and incorrect attributions.

Major Keys

1916-D, 1921 and 1921-D

The low-mintage 1916-D is the classic key. Both 1921 issues are also scarce and necessary for a complete circulation set.

Better Branch Mints

Set these aside

  • 1919-D and 1919-S
  • 1925-D and 1925-S
  • 1926-S
  • 1931-D and 1931-S
Major Overdates

1942/1 and 1942/1-D

Both Philadelphia and Denver produced important 1942-over-1941 varieties. Correct attribution depends on established date diagnostics.

Mintmark Authentication

1916-D warning

The D is on the reverse near the lower left of the fasces. Added mintmarks and altered coins are common; valuable candidates should be authenticated.

Popular Variety

1945 Micro S

A smaller San Francisco mintmark creates a widely collected variety. Compare its size and shape with reliable references.

Condition Rarities

Full Bands coins

Many otherwise common dates become difficult with strong, uninterrupted central fasces bands and high Mint State grades.

How to sort Mercury dimes

Do not treat a silver roll as one uniform product until dates, mintmarks, varieties, and condition have been checked.

1

Sort by decade

Separate the 1910s, 1920s, 1930s, and 1940s. Pull all 1916, 1921, and 1942 coins immediately.

2

Check mintmarks

Look on the reverse at the lower left of the fasces. Separate Philadelphia, Denver, and San Francisco issues.

3

Pull better dates

Set aside keys, early branch-mint coins, 1926-S, Depression-era better dates, and suspected overdates.

4

Check quality

Pull coins with strong luster, clean fields, sharp hair and feather detail, and complete separation across the fasces bands.

Do not clean Mercury dimes. Polishing, dipping, rubbing, or removing toning can permanently change the surface and reduce collector value. A dark original coin may be worth more than a bright cleaned one.

What makes a Mercury dime valuable?

Silver value establishes a baseline, but collector value can rise far beyond melt.

Date & Mintmark

The 1916-D and both 1921 issues lead the set. Several early D and S coins are also substantially better than common dates.

Silver Content

Each unworn coin contains about 0.07234 troy ounce of silver, giving common circulated pieces an intrinsic-value component.

Grade

Wear appears first on Liberty’s hair, cheek, and wing, along with the fasces and olive leaves on the reverse.

Full Bands

Qualifying Mint State coins show complete separation of the central horizontal bands, subject to each grading service’s standard.

Original Surfaces

Natural luster and toning are desirable. Cleaning, scratches, corrosion, polishing, and damage reduce liquidity.

Authentication

Added D mintmarks, counterfeit keys, and misattributed overdates exist. Certification is especially useful for expensive coins.

Buying & Selling Mercury Dimes

NumisMaverick buys and sells Mercury dimes from common circulated silver and rolls to better dates, key dates, overdates, albums, original groups, and certified Full Bands coins.

Before offering a group, keep coins uncleaned and organized by date when possible. Pull 1916, 1921, early branch mints, 1926-S, 1942 overdate candidates, and unusually sharp Mint State pieces.

Common circulated silver dimes
1916-D and 1921 keys
Better branch-mint dates
Albums and partial sets
Certified Full Bands coins
Dealer quantities and rolls
Calculate Silver Value →

Mercury Dime FAQ

Is Mercury actually on the coin?

No. The portrait is Liberty wearing a winged cap. The resemblance to the Roman god produced the popular nickname.

Are all Mercury dimes silver?

Yes. Regular issues are 90% silver and 10% copper.

Where is the mintmark?

The D or S appears on the reverse near the lower left of the fasces. No mintmark indicates Philadelphia.

What does Full Bands mean?

It refers to qualifying Mint State coins with full separation across the central fasces bands.

Should I clean a dark dime?

No. Natural toning can be acceptable or attractive, while cleaning creates an altered surface and usually lowers value.

Does NumisMaverick buy common Mercury dimes?

Yes. We consider common circulated silver, rolls, better dates, keys, varieties, albums, certified coins, and dealer quantities.

Talk with NumisMaverick

Looking for a Mercury dime, selling a roll, or trying to identify a key date or overdate? Contact NumisMaverick. Appointments are scheduled in advance.

Please contact NumisMaverick before visiting.Text is the easiest way to request an appointment.

Ask About Mercury Dimes or Request an Appointment

NumisMaverick is available by appointment only. Coin information, metal values, research, and market commentary are educational. NumisMaverick is a coin dealer and is not an investment or financial adviser.