1975 Topps Baseball Cyan Proof #223 Robin Yount (R) card. The card has been graded and encapsulated by SGC Gem Mint 10 sheet cut. This card was previously auctioned off by Guernsey's in 1989. It is blank cardboard backed. It is perfectly centered with smooth edges, sharp corners, and a clean surface. A true one of a kind item. Part of the nine card set of proofs in the current Lelands Auction, and each card is a 1/1.