"Whether your interest is in Mint Sets, Modern Commemorative Coin Set, Proof Sets, Circulated Rolls of 50 State Quarters, this is the download for you!Pulled directly from 2012 U.S. Coin Digest, the most complete guide to U.S. coins, this download covers sets and rolls of U.S. coins in expert fashion, by providing you with all the identifying details and current values you need."