In partnership with CSA, Beckett witnessed a private signing with NFL legend Rob Gronkowski. Each signed item receives a Beckett Witnessed sticker, documenting that the autograph was witnessed in person by a Beckett representative.

In partnership with CSA, Beckett witnessed a private signing with NFL legend Rob Gronkowski. Each signed item receives a Beckett Witnessed sticker, documenting that the autograph was witnessed in person by a Beckett representative.
Video
 
Video
 

— Beckett Collectibles (@beckettcollect) Aug 2, 2026