Collection: Marketplace Grail Items

About This Item Hand-signed by Boston Celtics legend Dave Cowens High-quality 8x10 action photograph Includes a Certificate of Authenticity from Beckett (BAS)

About This Item Hand-signed by Boston Celtics legend Dave Cowens Authentic 8x10 action photograph Includes Beckett (BAS) certificate of authenticity and hologram

About This Item Hand-signed by NBA legend Dave Cowens Official 8x10 color photo Includes Beckett Authentication Services (BAS) certificate of authenticity

About This Item Hand-signed by Hall of Famer Dave Cowens Authenticated by Beckett Authentication Services (BAS) Official Boston Celtics action photograph Includes certificate of authenticity and matching tamper-evident hologram

About This Item Hand-signed by NBA Hall of Famer Dave Cowens Commemorative 1981 booklet from "Dave Cowens Day" with the Boston Celtics Authenticated by Beckett Authentication Services (BAS) Note: This item contains a personalized inscription

About This Item Hand-signed by Boston Celtics legend Bob Cousy Features personalized inscription: "Thanks for your interest Peace" Official 8x10 action photo Authenticated by Beckett Authentication Services (BAS)

About This Item Hand-signed by Hall of Famer Shaquille O'Neal Original May 24, 1999 issue of Sports Illustrated Includes James Spence Authentication (JSA) certificate of authenticity

Product Highlights Athlete: Dwight Howard Item: 2004-05 Topps #221 Rookie Card Team: Orlando Magic Authentication: PSA/DNA Authentic Auto Key Feature: Highly sought-after Rookie Card from the 3-time Defensive Player of the Year. Career Achievements NBA Champion (2020) 8-time NBA All-Star (2007–2014) 5-time All-NBA First Team (2008–2012) 3-time NBA Defensive Player of the Year (2009–2011) 4-time NBA All-Defensive First Team 5-time...

Product Details Athlete: Charlie Ward Team: New York Knicks Item Type: Trading Card Year/Brand: 1995 Topps #321 Authentication: Beckett Authentication Services (BAS) Slabbed Autograph Grade: Beckett 10 Features This 1995 Topps #321 trading card has been personally hand-signed by New York Knicks standout Charlie Ward. The autograph has been professionally authenticated and slabbed by Beckett Authentication Services (BAS), receiving a...

Product Description Athlete: Christian Braun Item Type: Autographed 2022 Prizm #223 Trading Card Team: Denver Nuggets Condition: Professionally slabbed and preserved Authentication Authenticated by Beckett Authentication Services (BAS) Includes Denver Autographs Certificate of Authenticity (COA) and hologram

Product Details Athlete: Christian Braun Item Type: Autographed 2022 Panini Prizm #223 Trading Card Team: Denver Nuggets Features: Professionally slabbed and encapsulated for preservation and display Authentication Beckett Authentication Services (BAS) Certificate of Authenticity and Hologram Denver Autographs Certificate of Authenticity

About This Item Hand-signed by Hall of Famer Alonzo Mourning Authenticated by JSA (James Spence Authentication) Vintage Champion brand jersey style

About This Item Hand-signed by Los Angeles basketball legend Byron Scott Authenticated by Beckett Witnessed with a numbered hologram and QR code Gold custom jersey featuring high-quality stitched letters and numbers Bold silver ink signature Size: XL

About This Item Hand-signed by Lakers legend Byron Scott Authenticated by Beckett with a witnessed hologram and QR code Custom "pro-style" purple jersey with stitched name and numbers Jersey size: XL Note: This is a custom jersey with no team logos, tags, or emblems

Product Overview Athlete: Udonis Haslem Team: Miami Heat Item Type: Custom Basketball Jersey Inscription: "#40 Retired" Jersey Size: XL Authentication & Heritage Authenticator: Beckett Authentication Services (BAS) Authentication Type: Witness Certificate of Authenticity (COA) Verification: Includes a matching serialized tamper-proof sticker to ensure authenticity. Product Details Own a piece of "Heat Culture" with this custom Miami Heat jersey hand-signed by...

Product Overview Elevate your NBA collection with this custom basketball jersey hand-signed by Boston Celtics champion and defensive specialist, Jrue Holiday. This premium collectible features bold, vibrant signatures and high-quality stitching, making it a standout piece for any Celtics fan or sports memorabilia enthusiast. Product Specifications Athlete: Jrue Holiday Team: Boston Celtics Item Type: Custom Basketball Jersey Size: XL Signature:...