Mint Silver Proof Set (Type 2) in a Capital Holder is a collection of uncirculated silver coins with denominations ranging from. Each coin is struck in proof condition and has a fineness of 0.9. Produced by the United States Mint in Philadelphia, this set includes a variety of coins from the year 1956, all certified by the U. The set is a valuable addition to any coin enthusiast’s collection, showcasing the craftsmanship and quality of U. Coins from that era. Franklin Half Dollar has FBL on reverse side. Perfect Match Set All Coins match in eye appeal.