Collection: Marketplace Grail Items

About This Item Hand-signed by Italian soccer legend Roberto Baggio Official Diadora Italy home jersey style featuring iconic #10 Authenticated by Beckett (BAS) with a numbered hologram and QR code verification Premium retail-ready condition

About This Item Hand-signed by 4x Super Bowl Champion Rob Gronkowski Official Riddell Full Size Speedflex Authentic Helmet Authenticated by Beckett (BAS) Witnessed program with numbered hologram Features New England Patriots team colors and iconic logo decals

About This Item Hand-signed by legendary tight end Rob Gronkowski Riddell Full Size SpeedFlex Authentic Helmet Official New England Patriots team colors and decals Includes Beckett Witnessed Authentication with a numbered hologram and QR code

About This Item Hand-signed by stars Brock Purdy and George Kittle Full-size San Francisco 49ers Speedflex helmet Authenticated by Beckett Authentication Services (BAS) Individually hand-signed collectible

Product Overview Athlete: Patrick Mahomes Team: Kansas City Chiefs Item Type: 2024 Salute to Service (STS) Speed Mini Helmet Authentication: Beckett Authentication Services (BAS) & Denver Autographs Product Details Add a premier piece to your collection with this 2024 Salute to Service Speed Mini Helmet, hand-signed by 3x Super Bowl Champion and MVP, Patrick Mahomes. This limited-edition helmet features the...

Product Details Athlete: Patrick Mahomes Team: Kansas City Chiefs Item Type: Speed Mini Helmet Edition: Specialty "Slate" matte grey finish with team decals This collectible is a must-have for any Chiefs fan or serious sports memorabilia collector, celebrating one of the greatest quarterbacks in NFL history. Authentication Authenticated by Beckett Authentication Services (BAS) Includes an official Denver Autographs Certificate of...

Product Details Hand-signed by Cleveland Browns legend Jim Brown Custom "Players of the Century" style jersey Includes "ROY" (Rookie of the Year) inscription Authentication Beckett Authentication Services (BAS) Certificate of Authenticity Denver Autographs Certificate of Authenticity

Product Details Athlete: Jim Brown Item Type: Cleveland Browns "Players of the Century" Jersey Inscription: "HOF" (Hall of Fame) Team: Cleveland Browns Signature: Hand-signed by Jim Brown Authentication Beckett Authentication Services (BAS) Certificate of Authenticity Denver Autographs Certificate of Authenticity

About This Item Hand-signed by quarterback Sam Darnold Riddell Full Size Speedflex Authentic Helmet Authenticated by Beckett Witnessed with a numbered hologram and QR code Official Seattle Seahawks team colors and decals

About This Item Hand-signed by Sam Darnold Official Riddell Full Size SpeedFlex Authentic Helmet Unique 2025 Rivalries Edition design Authenticated by Beckett Witnessed Authentication with a numbered hologram and QR code

Product Details Athlete: Darryl Dawkins Team: Philadelphia 76ers Item Type: Mitchell & Ness White Warmup Jacket Authentic Signature: Hand-signed in person by NBA legend Darryl "Chocolate Thunder" Dawkins. Design: High-quality Mitchell & Ness vintage-style warmup jacket featuring iconic 76ers branding and white colorway. Authentication Authenticated by Beckett Authentication Services (BAS) Includes Denver Autographs Certificate of Authenticity (COA)

Product Overview Athlete: Bryce Harper Team: Philadelphia Phillies Item Type: Autographed Nike Jersey Color: White Size: XL Inscription: "NL MVP" Authentication Fanatics Authentic Certificate of Authenticity & Hologram Denver Autographs Certificate of Authenticity

About This Item Hand-signed by Raiders legend Bo Jackson Riddell Full Size SpeedFlex Authentic Helmet Authenticated by Beckett Witnessed with a numbered hologram and QR code Features official Las Vegas Raiders decals and colors

About This Item Hand-signed by Detroit Lions legend and Hall of Famer Barry Sanders Official 2024 Salute to Service edition full size SpeedFlex helmet Authenticated by Beckett (BAS) Witnessed Protection Program Includes Beckett certificate of authenticity and tamper-proof hologram

Product Details Player: Dez Bryant Team: Dallas Cowboys Item Type: Full Size Authentic Helmet Helmet Model: Riddell SpeedFlex Signature: Hand-signed by Dez Bryant Authentication Beckett Authentication Services (BAS) Witnessed Protection Program Includes a Beckett Certificate of Authenticity (COA) and tamper-proof hologram Beckett representatives were present to witness the signing of this item

Product Details Athlete: Barry Sanders Item: 2024 Panini Obsidian Black Stained Glass Trading Card Signature: Hand-Signed by Barry Sanders Inscription: "Lion King" Grade: PSA 10 (Gem Mint) Special Features: High-end Stained Glass short-print insert with a bold on-card autograph. Authentication This item has been professionally authenticated and graded by PSA (Professional Sports Authenticator). The signature is guaranteed authentic and slabbed...