1975 Topps Baseball Yellow Proof #223 Robin Yount (R) card. The card has been graded and encapsulated by SGC MT+ 9.5 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.