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Certificate of Authenticity (COA):

A certificate of authenticity from Beckett Authentication Services is a small 3x3 square card that is issued in conjunction with our tamper-evident label to signify that the item has been examined by ..

Certification Number:

Beckett Authentication Services assigns a unique certification number to each authentic autograph. This number can be found on the encapsulation label, the certificate/letter of authenticity and the t..

Clubhouse Signature:

A signature by a bat boy, clubhouse attendant, equipment manager etc. on behalf of the athlete.

Cy Young Award:

Annual Award given to the best pitchers in both the American League and the National League, as voted on by the Baseball Writers’ Association of America. This award was introduced in 1956 in honor o..