While both errors are relatively equal in value in Circulated grades, in Choice condition the Philadelphia error carries a significantly higher premium than does the Denver error. On both errors doubling of the “4” in the date is reasonably discernable as well, and in the latter instance is the most discernable feature evidenced. The Philadelphia Mint overdate is the more distinct and scarcer of the errors, with the “1” closing the loop on the “2.” On the Denver Mint overdate, the “1” is barely discernible. An unknown number of dimes were struck with the production dies before the error was detected. The result was working dies with a “2” sunk over the “1” of the date. USA Coin Book Estimated Value of 1942 Mercury Dime is Worth 3.26 in Average Condition and can be Worth 7.46 to 36 or more in Uncirculated (MS+) Mint Condition.

Both were produced when production dies in the preparation process were first sunk with a 1941-dated hub die and then, by accident, finished with 1942 hub dies. Coin Value Chart: Typical Coin Prices, Values and Worth in USD based on Grade/Condition. Q: Can you explain what is meant by a 1942/41 dime? Is it a dime struck with a dual date?Ī: Two major “overdate” Mint errors exist for 1942, one from the Philadelphia Mint and one from the Denver Mint. The following is excerpted from Clifford Mishler’s Coins: Questions & Answers: 1942/1-D Mercury dime - obverse damage - NGC Details.

1942 mercury dime no mint mark