Riddell Speed Authentic San Francisco 49ers football helmet, signed on the right side in black marker by Nick Bosa, who added his number “97” after his signature.

The helmet was signed at an official paid private autograph session held on September 3, 2021 in San Jose, CA.

Witnessed Authenticated by independent third-party authenticator Beckett Authentication Services, Certification Number WL21033.

Affixed to the back of the helmet are both the matching numbered authenticity sticker from Beckett Authentication Services and The Autograph Source.

Sold with a Certificate of Authenticity from The Autograph Source.