The 1950 proof set was the first proof set made by the U.S. Mint since 1942. Featuring silver coins and the now-obsolete Lincoln wheat cent, the 1950 proof set is a popular coin set among coin collectors.
The 1913 Liberty nickel just sold for $3.7 million and is just one of many rare US coins you should be looking for. Find out how to spot rare US coins by knowing what types of US coins are rare and figuring out some of the best places to be looking for rare US coins.