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6. 1982 and 1983 Roosevelt Dimes, No Mint Mark Some dimes from 1982 and 1983 were minted without a mint mark, and these varieties can be of interest to collectors.
You don’t usually see errors with proof coins, but there are exceptions. One involved 1975 dime proof sets, which that lacked an “S” mintmark (from the San Francisco Mint).
Jitalia17/istockphotoSome of the rarest and most valuable coins in U.S. history owe their worth to minting errors that slipped through unnoticed. Coins like the 1943 Copper Penny, struck in copper ...
A well known example of a small mint mark is 1945-S "Micro S" U.S. Mercury dime, when the mint used an old puncheon intended for Philippines coins. [14] A much rarer example is the 1892-O "Micro O" U.S. Barber half dollar , which may have come about from the brief use of a mintmark puncheon intended for the quarter. [ 15 ]
Before 1990, all US coin dies were subject to mint mark errors resulting from the preparation of the dies. The mint mark was hammered into the die manually sometimes causing a die to have a doubling. In the minting process this would create a series of coins with a distinct of slight doubling of the mint mark.
The small eagle on the reverse was added as an afterthought, when Mint officials realized that the Coinage Act of 1873 required one to be displayed on all coins of greater value than the dime. [9] The Mint sought comments on the designs from the Commission of Fine Arts, which was provided with a lead striking of the obverse and a view of the ...
The early dimes were 90% silver and 10% copper, but rising silver prices caused the Mint to change the mix to 75% copper and 25% nickel in the 1960s. Explore More: 10 of the Most Valuable Pennies
The Jefferson nickel has been the five-cent coin struck by the United States Mint since 1938, when it replaced the Buffalo nickel.From 1938 until 2004, the copper-nickel coin's obverse featured a profile depiction of Founding Father and third U.S. President Thomas Jefferson by artist Felix Schlag; the obverse design used in 2005 was also in profile, though by Joe Fitzgerald.