1995 Lincoln Penny Doubled Die Obverse
This doubled die Lincoln penny generated a ton of mainstream interest when it was featured in a cover story that was placed in USA Today. The interesting feature of this coin is that these are still being found in circulation today.
1829 Large Date $5 Gold Half Eagle Coin
The records kept by the US Mint have indicated that there were 57,422 capped bust five-dollar gold half eagles, which were minted to be put into general circulation. However, the Mint also produced between four and eight Proof coins specifically for collecting purposes in 1829.