Lot of 3 Proof Sets 1957, 1959-1960 Still Sealed Never Opened

  
These sets are still sealed and have never been opened, making them highly collectible for coin enthusiasts. The sets contain silver coins with a fineness of 0.9, struck in proof condition at the Philadelphia Mint. Each set includes a variety of denominations and comes with U. Mint certification, ensuring their authenticity and quality.