CheckCOA connects to over 25 major authentication and grading databases. Find your provider below to verify certificates, serial numbers, and holograms instantly.
PSA is one of the best-known third-party authentication brands in the hobby, offering autograph authentication services backed by a Certificate of Authenticity (COA). PSA’s certificate numbers are widely used in marketplace listings, making COA verification and certificate lookup a common collector step.
Beckett Authentication Services (BAS) is Beckett’s dedicated autograph authentication arm. It’s widely associated with hobby expertise built through decades of Beckett’s presence in price guides and collectibles, and BAS COA numbers are often checked through certificate verification when buying signed memorabilia.
Upper Deck Authenticated (UDA) is Upper Deck’s memorabilia authenticity program, built around witnessed signings and a serialized hologram system. Many collectors rely on UDA hologram/certificate number lookup as part of autograph verification and COA authenticity checks.
G.O.A.T. Authentics is a sports memorabilia authentication service that provides certificate verification for its COAs. Collectors commonly use COA lookup and certificate number verification to confirm that a signed item’s paperwork matches a record.
Fanatics Authentic is a major licensed sports memorabilia brand with serialized authentication systems used on many signed items. Collectors often confirm authenticity through QR/hologram verification and certificate lookup when buying autographed jerseys, balls, and photos.
AutographCOA (ACOA) is known for autograph authentication, with a strong emphasis on entertainment and celebrity signatures. ACOA certificate numbers are designed for COA lookup and verification, often paired with detailed digital documentation for certified items.
Celebrity Authentics focuses on genuine autographed memorabilia from film and entertainment, emphasizing witnessed signing history and authenticity documentation. Collectors commonly rely on COA verification and certificate lookup to confirm a signed item’s provenance.
OnlineAuthentics provides a registration-based authentication model where certified items receive a unique number for verification. Their database-driven approach makes certificate lookup and COA number verification a natural step for collectors buying signed memorabilia online.
SWAU is heavily associated with entertainment and pop-culture collectibles, offering verification tools tied to hologram numbers. Many collectors use SWAU COA lookup and certificate verification for autographs from conventions, private signings, and online drops.
TRISTAR is well-known in the autograph event ecosystem, connecting in-person signings with serialized hologram COAs. Buyers often do hologram/certificate number verification to confirm signing information and reduce the risk of fake COAs.
Panini is a major trading card brand, and Panini Authentic extends into signed memorabilia with hologram-based COAs. Collectors often use certificate lookup and hologram verification to confirm authenticity details for Panini-authenticated items.
JSA (James Spence Authentication) is a prominent third-party autograph authentication company. JSA’s process and sticker/COA system make certificate number verification and autograph COA lookup common steps for collectors and dealers.
The MLB Authentication Program applies tamper-proof holograms to items witnessed as game-used or signed under the program. Collectors commonly verify the hologram sticker number through database lookup as part of authenticity checks.
SGC is best known for trading card grading, and the “SGC Authentic” name has been used for autograph authentication/encapsulation programs tied to COA-style verification. Collectors may still encounter SGC Authentic items and verify certificate numbers when evaluating older listings.
PSA is one of the most recognized grading authorities for sports cards and trading cards, with PSA certification numbers commonly used as a market reference. Collectors frequently do graded card cert lookup and serial number verification before purchasing a slabbed card.
Beckett Grading Services (BGS) is a long-running grading company known for detailed evaluation frameworks often discussed by collectors. BGS labels and serials are commonly checked through certificate lookup to confirm graded card details and reduce slab fraud risk.
Mike Baker Authenticated (MBA) operates in the high-end trading card space, including grading/encapsulation and certification-style services. MBA is often associated with additional review signals for eye appeal, and collectors use certificate lookup to confirm records tied to MBA labels or certifications.
CGC Cards is the trading-card grading branch of the CGC ecosystem, using certification numbers (and often QR-enabled labels) for verification. Collectors use CGC certificate lookup and serial number verification to confirm grade details and holder authenticity.
CGC is a leading name in comic book grading and encapsulation, widely used in the pop-culture collectibles market. CGC certification numbers are routinely checked via certificate lookup to confirm grade, notes, and holder authenticity before a purchase.
CGC Home Video grades and encapsulates home video collectibles such as VHS, DVD, and Blu-ray releases. Certification numbers can be used for serial number lookup and certificate verification to confirm grade details and help spot tampered holders.
CGC Video Games focuses on grading and encapsulation of video game collectibles, backed by certification number verification tools. Collectors often run serial number lookup to confirm grading details and reduce the risk of counterfeit labels or tampered cases.
PSA Video Games offers grading for a wide range of game collectibles, from sealed titles to cartridges and CIB items. Certification and label checks are a common step for collectors doing authenticity verification and confirming grading records.
TAG is a tech-forward grading company known for digital reporting tied to certification numbers. Collectors often associate TAG with detailed imaging/condition breakdowns, making serial number lookup a key part of verifying a TAG-graded card.
AMG (Audio Media Grading) is positioned around grading, authentication, and preservation for music collectibles like vinyl records, cassettes, and CDs. Collectors in music media categories often rely on grading standards and verification norms similar to other collectible markets.
SGC is a long-established trading card grading company with strong collector recognition, especially in vintage categories. SGC certification numbers are commonly used for graded card lookup and serial verification when comparing slab labels to listing photos.