J.S.A. Authentication

Upstate Convention Consignments & Autographs Verified independent store

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JSA was founded in 2005 by James Spence, Jr., a giant in the world of autograph and memorabilia collecting. In the last two decades, JSA has certified millions of autographs and in the process has built the world’s largest autograph database of nearly 1 million images encompassing virtually every known person — from Thomas Jefferson to Taylor Swift, Lou Gehrig to Little League stars. JSA uses this extraordinary database alongside deep expertise and state-of-the-art equipment to maintain unparalleled accuracy in autograph authentication. In addition, JSA’s experts frequent shows and interact closely with collectors, dealers and auction houses, further defining the JSA name as being synonymous with trust and accessibility. Show more