In 1860, the words "United States of America" moved to the front of the dime and replaced the stars. The wreath on the reverse side was enlarged to fill the space.
This is the first proof coin that was mistakenly struck without the mint mark, and only about 12 such coins are known to exist.
This was the first year dimes were produced at the San Francisco Mint. With only 70,000 dimes minted, even low-grade coins are rare.
There were only 700 proof dimes minted in Philadelphia in 1874. This particular coin was certified the highest grade coin of this date by both PCGS and NGC.
While the 1798 Small 8 dime is less common, the "Large 8" dime is also rare. With only 27,550 minted, those in mint state, as this coin is, are even more valuable.
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