Riddell Los Angeles Chargers Proline On-Field Authentic SPEED football helmet, boldly signed on the right side in black marker by Chargers QB Justin Herbert.

Signed at an official paid private autograph session.

 Sold with Certificates of Authenticity from both The Autograph Source and independent third-party authenticator Beckett  Authentication Services (BAS).

NOTE: The helmet was authenticated AFTER these photos were taken – the Beckett Authentication sticker is now on the back of the helmet.