Notes: 4 by 6 inches. Regarding authenticity, the majority of our items come authenticated by some of the industry's authorities including Steiner Sports, Upper Deck, Tri-Star, Professional Sports Authenticator (PSA), James Spence Authentication (JSA), Beckett Authentication Services (BAS), Sportscard Guaranty (SGC) and Roger Epperson Authentication Limited (REAL). Feel free to message us regarding wanting additional photos, information or any other concerns you may have.