Photo measures 8" x 10" in size and has been hand-signed in black felt-tip pen by Nick Bosa. The autograph(s) includes an official James Spence Authentication (JSA) "Signature Debut" hologram and COA. "Signature Debut" is the autographed memorabilia equivalent to a rookie card. The JSA definition of a "Signature Debut" is as follows: "Any item that is autographed and received by JSA prior to the last game of the signer's official rookie season.Authentication: JSA Signature Debut COA