Specatular signed rookie card of Red Sox hero Carl Yastrzemski the signature applied on the left of the cardi in blue Sharpie. An extremely desirable rookie card "Yaz" is beginning to grow in notoriety among collectors today his outstanding career often overlooked because his early years were played in a pitching-dominant era. His Triple Crown season of 1967 is often overlooked as a result. Card grades EX-MT 6 by Beckett the signature grades a perfect GEM MINT 10 authenticated by James Spence Authentication when those companies had a business relationship.