You can view this item on the Beckett Authentication website and it shows when and where the item was signed.
Amari Cooper Signed Cleveland Browns F/S Speed Authentic Helmet-Beckett W Holo
Ohio Sports Group Ohio State Buckeyes, Cleveland Browns and Cincinnati Bengals Authentic Memorabilia
Amari Cooper Signed Oakland Raiders Framed Black Custom Jersey – Super Sports Center
Ohio Sports Group Amari Cooper Cleveland Browns Autographed Signed Jersey - Beckett Authentic
Brian Sipe Signed Brown Football Jersey — TSE Cleveland
Amari Cooper Signed Autographed Cleveland Browns Custom Jersey (Beckett Witness Certified). You are looking at aSigned/Autographed Amari Cooper
Amari Cooper Autographed Signed Cleveland Browns Custom Jersey (Beckett)
Custom on-field style jersey. Everything is sewn on, size XL. Hand-signed by Amari Cooper (Oakland Raiders, Dallas Cowboys, Cleveland Browns).The lot
Amari Cooper Signed Cleveland Browns Jersey (Beckett) Pro Bowl Wide Receiver
Cleveland Browns – Denver Autographs
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Amari Cooper Cleveland Browns Autographed Signed Lunar Replica Helmet - Beckett Authentic
Ohio Sports Group Ohio State Buckeyes, Cleveland Browns and Cincinnati Bengals Authentic Memorabilia
Ohio Sports Group Amari Cooper Cleveland Browns Autographed Signed Color Rush Jersey - Beckett Authentic