I am a part time coin dealer and I like it because it combines my love of photography with my enjoyment of coins. Here's an example of a fairly rare 1876-CC dime that is rare in and of itself (being from Carson City and composed of silver mined at the famous Comstock Lode in north-western Nevada) but this is also a mint error coin and commands a significant premium over a standard 1876-CC dime. Take a look at the letters "OF AMERICA" and you'll see they are all doubled, similar to the famous 1955 Lincoln penny. This doubling occurred when the die was being annulled from the master die and was slightly rotated when the second squeezing happened.
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