1955 Proof Set DDR Franklin Half Dollar Doubled Die Reverse US Mint Silver Coins. You will receive a 1955 Proof Set with a DDR Doubled Die Reverse 1955 Franklin Half Dollar. We have included close-up photos of the DDR. This proof set comes with its Original Envelope from the US Mint. You will receive the exact coins you see pictured. This set includes the following (5) coins. (1) 1955 Franklin Half Dollar Proof Uncirculated (90% Silver) (DDR). 1955 Washinton Quarter Proof Uncirculated. Proof Uncirculated (90% Silver) (1). 1955 Lincoln Wheat Penny. This allows our customers to take a closer look at each and every coin to decide if the quality meets their standards. Get images that make Supersized seem small. Showcase your items with Auctiva’s. Track Page Views With.