Autographs, Sports Cards, Art & Collectibles Auction

Riddell Georgia Bulldogs full-size speed helmet. Hand-signed in black felt-tip pen by Roquan Smith.

Riddell San Francisco 49ers full-size speed helmet. Hand-signed in black felt-tip pen by Matt Breida.

Riddell Washington Redskins full-size replica helmet. Hand-signed in silver paint pen by John Riggins, Mark Rypien and Doug Williams. Â

Washington Redskins full-size replica helmet. Hand-signed in silver paint pen by Doug Williams. Â

1964 "The Avengers" First Series Issue #8 Marvel Comic Book. Please see photos for details regarding the condition of the book.

Riddell Dallas Cowboys full-size blaze speed replica helmet. Hand-signed in white paint pen by Dak Prescott, Amari Cooper and Ezekiel Elliot.

Pittsburgh Steelers full-size authentic on-field speed helmet. Hand-signed in silver paint pen by Lynn Swann.

Riddell Dallas Cowboys full-size matte black authentic on-field speed replica helmet. Hand-signed in silver paint pen by Dak Prescott, Amari Cooper an

Riddell Minnesota Vikings full-size custom matte purple speed replica helmet. Hand-signed in silver paint pen by Stefon Diggs. Â

Full replica script has been hand-signed on the cover in blue felt-tip pen by Robert Pattinson.