Click to expand Tap to zoom 1973 U.S.P.S. Souvenir Mint Set Unmounted, Mint Condition w/Original Envelope. $27.45 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 1973 U.S.P.S. Souvenir Mint Set Unmounted, Mint Condition w/Original Envelope. _gsrx_vers_841 (GS 7.0.16 (841))