Sports Cards & Sports Memorabilia PREFERRED GRADING ... - Proxibid

Sports Cards & Sports Memorabilia

PREFERRED GRADING & AUTOGRAPH AUTHENTICATORS

The following companies are considered to be reputable, trusted sports cards and sport memorabilia

grading and autograph/signature authentication services. These companies are recognized throughout

the hobby and industry as the market leaders. Proxibid approves other authenticators outside of this

list, but these are the preferred authenticators for Sports Cards and Sports Memorabilia.

Sports Card Grading Services:

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Beckett Grading Service (BGS) including Beckett Classic Card Grading (BCCG)

Professional Sports Authenticators (PSA/DNA)

Sportscard Guarantee Corporation (SGC)

Autograph/Signature Authentication Services:

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Beckett Grading Service (BGS)

Global Authentics, LLC

James Spence Authentication

Professional Sports Authenticators (PSA/DNA)

Leading Providers of Authentic Pre-Certified Sports Memorabilia

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All Authentic Sports Memorabilia

Mounted Memories

Onyx Authenticated

Panini Authentic

Steiner Sports

TriStar Productions, Inc.

Upper Deck Authenticated (UDA)

BANNED AUTHENTICATORS FROM PROXIBID

Autographed items with a Certificate of Authenticity (COA) or Letter of Authenticity (LOA) from the

following companies, organizations, and individuals have been banned from being listed and sold on

Proxibid:

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Any company, organization, or individual listed on the FBI¡¯s Operation Bullpen website

Autograph Certification Experts (ACE)

Christopher L. Morales

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Coach's Corner Sports Auctions LLC

CSC Collectibles

Donald Frangipani

Forensic Document Services

Greg Marino

Hollywood Dreams

J. DiMaggio Co. / J. DiMaggio Company

Jim Bellino

Legends Sports Memorabilia

Nathan's Autographs / N.E. Autographs

Nicholas Burczyk

Pro Sports / Pro Sports Memorabilia

Rare and

Robert Prouty

R.R.'s Sports Cards & Collectibles

SCAA / Front Page Art / Angelo Marino

Slamdunk Sportscards & Memorabilia

Sports Alley Memorabilia

Sports Management Group

Stan's Sports / Stans Sports Memorabilia

TTA Authentic (formerly STAT Authentic)

Universal Memorabilia

XMI Authentications

USA Authentics

640 Sports/YMC Sports Memorabilia

Any sellers listing items that have been authenticated by the above organizations will have those lots

removed from their auction. If any lots do not specify the authenticator and show a picture of the

certificate/letter of authenticity, the lot will be removed from the auction. Additionally, Proxibid

reserves the right to pull a lot from an auction if they find that the authenticator is not reputable.

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