RARE ONLY 5 TOTAL ON PSA CENSUS.The product is a 1970 Topps Super Bob Gibson square corner proof sports trading card authenticated by Professional Sports Authenticator (PSA). This vintage baseball card features Major League Baseball (MLB) player Bob Gibson and is part of the 1970 Topps Super set. With a unique square corner proof feature and professional grading, this collectible is a valuable piece for any baseball card enthusiast or fan of Bob Gibson.