Bidspirit auction | 1990-1999 Full Decade Proof Set

1990-1999 Full Decade Proof Set Run - 54 Coins, 10 Complete Sets - 1990-1999 Full Decade Proof Set Run - 54 Coins, 10 Complete Sets. 1990-1999 Full Decade Proof Set Run - 54 Coins, 10 Complete Sets. 1999 Saw the introduction of the 50 State Quarters series.