Sold at auction:$235,000 While 1,836,000 quarters were produced in San Francisco in 1919, the date on many of these has worn off. Very few remain in mint condition, and only three others are of ...

If you happen to have one of these rare coins lying around in less-than-mint condition, you can still get around $40 for it. Lincoln Cents minted between 1909 and 1958 are popular amongst collectors.

Coin collecting, or numismatics (a term which also encompasses the study of coins), has been a practice for at least 2,000 ...