1999-2008 Complete US State Quarters Proof Sets Collection 10 Proof Sets 50 Coins .Here is every single U.S. States Quarter, contained in every single Proof Set released by the U.S. Mint. This is the complete collection of all 50 U.S. Quarters, in ten five-coin annual Quarter Proof Sets issued from 1999 to 2008. Each set comes in its original government packaging. Each coin was struck at the San Francisco Mint in best-of-the-best, Proof condition. The United States Mint’s 50 States Quarters Program that ran from 1999 to 2008 was so popular that it created an entirely new generation of collectors. These coins were released by the mint every 10 weeks in the same order that the states ratified the constitution or were admitted to the Union, with each featuring a unique design based on the state’s history, traditions, and symbols. Each was produced for only 10 weeks and never produced again. The first modern circulating coin program with a new design on each coin, the 50 States Quarters Program became the most successful numismatic program in U.S. history with roughly half of the nation’s population collecting the coins in some way.