White Riddell Proline On-Field Authentic Houston Oilers Throwback football helmet, signed on the right side in black marker by Oilers Hall of Fame Running Back Earl Campbell, who added the inscriptions “3 x MVP” and “HOF 91” below his signature.

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.