Collection: The Marketplace

About This Item Hand-signed by Buffalo Bills legend OJ Simpson Custom white pro-style "STAT" jersey featuring career achievements Authenticated by JSA (James Spence Authentication) with Witnessed COA Jersey features stitched letters and numbers

About This Item Hand-signed by Houston Rockets star Alperen Sengun Official Wilson NBA Game Ball Series basketball Authenticated by Tristar with a numbered hologram and QR code Signature obtained via professional public or private signing

About This Item Hand-signed by NFL legend Y.A. Tittle Includes "HOF" inscription Authenticated by JSA Witness COA and matching serial-numbered sticker Custom "pro-style" jersey with stitched numbers and letters; contains no logos or team branding Size: XL

About This Item Hand-signed by actor Anthony Michael Hall Features the character "Ted the Geek" from the cult classic Sixteen Candles Funko Pop! Movies Vinyl Figure #139 Authenticated by Beckett Witnessed with a numbered COA hologram

About This Item Hand-signed by stars Michael J. Fox and Christopher Lloyd Iconic Back to the Future replica hoverboard Authenticated by Beckett (BAS) Witnessed program Features a Beckett numbered tamper-evident hologram and QR code for verification

About This Item Hand-signed by UFC Hall of Famer Randy Couture Custom red UFC-style fight trunks Authenticated by Beckett (BAS) Includes a serial-numbered Beckett hologram and matching Certificate of Authenticity

About This Item Hand-signed by NFL star Darren Sproles Features a 16x20 collage design showcasing his career Authenticated by Beckett Witnessed with a serial-numbered hologram and QR code Premium action imagery representing his time in the NFL

About This Item Hand-signed by Arizona Cardinals star Kyler Murray Riddell Speed mini helmet featuring a unique Camo design Authenticated by Beckett Witnessed (BAS) Includes a matching Beckett COA and tamper-evident sticker

About This Item Hand-signed by star running back Josh Jacobs White Color Rush custom pro-style jersey with stitched letters and numbers Authenticated by Beckett Witnessed with a tamper-evident numbered hologram Signature is featured in bold silver ink Jersey size is XL

About This Item Hand-signed by star running back Leonard Fournette Custom red pro-style jersey featuring stitched letters and numbers Authenticated by JSA (James Spence Authentication) Witness Protection Includes JSA numbered hologram and matching Certificate of Authenticity Size: XL

About This Item Hand-signed by New York Knicks legend Bernard King Inscribed "HOF 2013" in silver ink Custom basketball jersey (Size XL) Authenticated by Beckett (BAS)

About This Item Hand-signed by Michael J. Fox Marty 1955 Funko Pop Figurine #957 Includes JSA Witnessed Certificate of Authenticity with matching sticker Signed in vibrant yellow ink

About This Item Hand-signed by Huey Lewis Huey Lewis and the News "Sports" vinyl record Beckett Witnessed Authentication Authenticity verified via numbered hologram and QR code

About This Item Hand-signed by legendary actor Michael J. Fox Features Marty McFly with Glasses from the iconic film Back to the Future Funko Pop! Movies Figurine #958 Includes JSA Witnessed Certificate of Authenticity (COA) with matching serial-numbered sticker Authentication can be verified on the SpenceLOA website

About This Item Hand-signed by Miami Dolphins legend and Hall of Famer Jason Taylor Miami Dolphins Signature Series logo football with a sleek black finish Authenticated by JSA Witness Protection Includes a matching JSA Certificate of Authenticity and numbered hologram Witnessed at a public or private autograph appearance

About This Item Hand-signed by legendary actor Chevy Chase Large 16x20 photograph featuring the iconic role of Clark Griswold Includes Beckett Witness Authentication with a numbered hologram and QR code Signature is rendered in vibrant blue ink