Mercury Dime Errors
Mercury dimes (1916-1945) are among the most beautiful US coin designs. Several key dates and error varieties make them a favorite for collectors. The 1916-D is the undisputed king, but many other error varieties exist.
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Scan My CoinKnown Errors
1942/1 Overdate
A 2 was punched over a 1 in the date, creating a visible overdate at both Philadelphia and Denver mints.
How to check: Examine the 2 in the date. The bottom curve of a 1 should be visible beneath the 2.
$300 - $5,000+Doubled Die Varieties
Various years show doubling on the date, LIBERTY, and the fasces on the reverse.
How to check: Use magnification on the date and the word LIBERTY on the obverse. Check the reverse for doubling on E PLURIBUS UNUM.
$20 - $300Repunched Mint Mark
The mint mark was punched into the die multiple times, creating doubled or shifted appearances.
How to check: Examine the mint mark (D or S) on the reverse near the lower left for secondary impressions.
$10 - $100Full Bands Designation
While not an error, Mercury dimes showing full separation of the bands on the fasces command premiums.
How to check: Examine the fasces on the reverse. The horizontal bands should show complete separation with no merging.
$5 - $2,000+ on key dates with Full BandsQuick Checks
- 1942 dimes: Check for the 2/1 overdate — traces of a 1 under the 2
- Check LIBERTY on the obverse for doubled die varieties
- Examine the mint mark for repunching
- Look at the fasces bands on the reverse for Full Bands designation
- All Mercury dimes are 90% silver (2.5g)
Frequently Asked Questions
What Mercury dime errors are most valuable?
The 1942/1 overdate ($300-$5,000+), various doubled dies ($20-$300), and Full Bands examples on key dates top the list. The 1916-D is the key date regardless of errors.
How do I tell if my Mercury dime has Full Bands?
Look at the horizontal bands on the fasces on the reverse. Full Bands (FB) means all bands show complete separation. This designation significantly increases value on many dates.
Are Mercury dimes worth searching?
Absolutely. Beyond the silver value ($2+ per coin), key dates and errors can be worth hundreds to thousands. Upload photos to ErrorHunt for AI-powered analysis of varieties and errors.
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