Collection: Marketplace Grail Items

About This Item Hand-signed by Kansas City Chiefs standout wide receiver Dwayne Bowe Official Riddell Speed mini helmet Authenticated by JSA with a tamper-evident hologram and matching certificate of authenticity Features classic Kansas City Chiefs team colors and logos

About This Item Hand-signed by Super Bowl Champion Jeremy Shockey Official Riddell New Orleans Saints Speed mini helmet Authenticated by JSA (James Spence Authentication) Includes a tamper-evident hologram and matching certificate of authenticity

About This Item Hand-signed by New York Giants legend Jeremy Shockey Riddell Speed mini helmet features authentic team decals and colors Authenticated by JSA with a tamper-evident hologram and matching certificate of authenticity Ideal for display in a home, office, or fan cave

About This Item Hand-signed by 3x Super Bowl Champion Randy Cross San Francisco 49ers classic design mini helmet Authenticated by JSA (James Spence Authentication) Includes a tamper-evident hologram and matching certificate of authenticity Official Riddell Speed mini helmet

About This Item Hand-signed by 4x Super Bowl Champion Eric Wright Official Riddell Speed mini helmet featuring San Francisco 49ers decals Includes JSA certificate of authenticity with tamper-evident hologram Cornerstone piece for any 49ers collection Athlete Career Highlights 4x Super Bowl Champion (XVI, XIX, XXIII, XXIV) Two-time Pro Bowl selection (1984, 1985) Key defensive back of the 1980s San Francisco...

About This Item Hand-signed by 49ers legend Merton Hanks Official San Francisco 49ers Riddell Speed mini helmet Authenticated by JSA (James Spence Authentication) Features the iconic 49ers logo and colors

About This Item Hand-signed by Miami Hurricanes legend Jeremy Shockey Authenticated by JSA with a tamper-evident hologram and matching certificate of authenticity Riddell Speed mini helmet style Classic Miami Hurricanes orange and green design

About This Item Hand-signed by New York Mets legend Ron Darling Original 1988 Donruss Diamond Kings #6 trading card Autograph graded Gem Mint 10 by CGC Authenticated by JSA

About This Item Hand-signed by Houston Oilers Hall of Famer Robert Brazile Official 2025 Score Football trading card #261 Signature authenticated and graded 10 by CGC JSA certified authentication

About This Item Hand-signed by New Jersey Devils legend Ken Daneyko Includes "3 Cup" inscription commemorating his Stanley Cup championships Original 1989-90 O-Pee-Chee trading card #243 Authenticated and slabbed by CGC and JSA

About This Item Hand-signed by MLB star J.D. Martinez Official Rawlings Major League Baseball (ROMLB) Includes Fanatics and MLB authentication certificates

About This Item Hand-signed by Hall of Fame pitcher Gaylord Perry Includes "HOF 91" inscription Official Rawlings Major League Baseball (ROMLB) Authenticated with MLB COA hologram

About This Item Hand-signed by former Reds star Jay Bruce Official Rawlings Major League Baseball (ROMLB) Authenticated by JSA (James Spence Authentication) Perfect for any Cincinnati Reds fan or baseball collector

About This Item Hand-signed by Jose Reyes Official Rawlings Major League Baseball Includes JSA Certificate of Authenticity Perfect for New York Mets fans and collectors

About This Item Hand-signed by Buffalo Bills star running back Willis McGahee Custom dark blue jersey with sewn-on name and numbers Authenticated by JSA with a tamper-evident hologram and matching COA Ideal for framing or display in any Bills fan cave

About This Item Hand-signed by former Buffalo Bills running back Willis McGahee Custom blue football jersey with professionally sewn letters and numbers Includes JSA (James Spence Authentication) certificate of authenticity and matching hologram A perfect display piece for any Buffalo Bills fan or memorabilia collector