Group of 3 US Mint Philadelphia Coin Proof SetsMatthew Bullock Auctioneers4.7(2.1k)$15(1 bid)Apr 18, 2026
![[4] 1956-1960 U.S. Proof Set Coins (1 of 2)](https://p1.liveauctioneers.com/7261/410098/228045400_1_x.jpg?height=282&quality=70&sharpen=true&version=1773695056)
