Bing’s Coin truly appreciates your business. Should you experience any issues i. This Key Date 1956 U. Mint Silver Proof Set Type 2 is a wonderful addition to any coin collection. The set includes coins with denominations of. The Franklin, Washington and Roosevelt are struck in silver with a fineness of 0.9. The coins are in an uncirculated condition and come with packaging from the U. The set was minted in Philadelphia and comes cello sealed in its original envelope. This set is a great investment for any coin collector or enthusiast. Add it to your collection today!