Bidspirit auction | 1980-1999 2 Decades Proof Set

1980-1999 2 Decades Proof Set Run - 107 Coins, 10 Complete Sets - 1980-1999 2 Decades Proof Set Run - 107 Coins, 10 Complete Sets. 1980-1999 2 Decades Proof Set Run - 107 Coins, 10 Complete Sets. 1999 Saw the introduction of the 50 State Quarters series.