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Articles
Written from what this index tracks, with every figure traceable to a listing.
Who actually signed it6
Somebody Posted Ty Cobb His Own Tobacco Cards in the 1940s. One Sold for $192,000.He signed the lot and returned them in a monogrammed envelope. Eighty years later two of…Two People Practised Roberto Clemente's Signature and Signed His Fan MailPittsburgh's own history museum names them: a long-serving Pirates employee who practise…He Signed 100,000 Autographs and the Fakes Still Outnumber ThemSeven NASA autopen patterns. Somebody at NASA signing by hand without his authority. A m…Four Different Hands Signed Joe DiMaggio's NameHe signed for sixty years and helped invent the modern autograph show. His sister allege…The Machine That Has Been Signing for Presidents Since EisenhowerA real pen in a mechanical arm, guided by a template cut from the person's own signature…Baseball's Oldest Forgery Isn't Treated as ForgeryOn team-signed baseballs of the 1940s to 1960s, some names were written by the bat boy -…
Authentication and forgery4
The Most Reliable Autograph You Can Buy Is a Cancelled ChequeA signed photograph was written to please somebody. A cheque was written to move money, …The FBI Said Up to 90% of Signed Memorabilia Was Fake. Then It Proved It.Operation Bullpen uncovered $100 million of fraud, convicted thirty-six people and trace…PSA Said Yes. JSA Said No. Same Autograph.A certificate is an expert opinion, not a finding of fact. What PSA/DNA, JSA and Beckett…What 13,998 Certified Autographs Say About Who Actually Authenticates ThemPSA/DNA certified 12,520 of 13,998 listings on this index. Seven categories are 100% PSA…
What moves the price6
Two Identical Baseballs Sold One Lot Apart for $21,600 and $13,200Same description, same grade, same room, minutes apart. Clemente and Sayers show the sam…Pete Maravich Died at 40, and His Cheapest Autograph Costs Seventeen Times Kareem'sBorn the same year as Abdul-Jabbar. One of them has signed for another thirty-eight year…The 1996 Draft Class Photo Is Missing Allen Iverson. A Ticket Stub Caught Him Anyway.Iverson and Ray Allen both made their NBA debuts in the same game on 1 November 1996. Th…When the Writing Beside the Name Is Worth More Than the NameThree kinds of inscription, three different effects on price. Gretzky's “99” is part of …Jordan Signed Nine Cards at His Golf Course. Two Sold for $5.2 Million.For forty years an Upper Deck exclusive meant signed Fleer Jordan rookies barely existed…Kevin O'Leary Paid $12.9 Million for Two Signatures. Ken Griffin Paid $13.7 Million for One.Eight weeks apart in 2025, a Lincoln-signed 13th Amendment sold for $13.7 million and a …
Signer stories5
Two Signatures on One Baseball Sold for $384,000. Separately They Are Worth Under $20,000.DiMaggio refused for thirty-seven years to sign anything related to Monroe after her dea…The Champion Who Spent Eleven Years Signing Autographs in a Casino LobbyJoe Louis gave two 1942 fight purses to Navy and Army Relief and was taxed on both, beca…How to Date a Honus Wagner Autograph From the Signature AloneHe signed for nearly fifty years and changed the form of his name several times, from an…Pete Rose Signed Everything, Which Is Why His Death Barely Moved the MarketHe died in September 2024 and this index still tracks 342 certified Rose items listed at…Bo Jackson Won't Sign His Most Famous Card. There Are 25 of Them.PSA has certified 25 autographed 1990 Score Bo Jacksons. The Frank Thomas from the same …
What a signature costs4
Caitlin Clark Outgraded LeBron, Curry and Edwards CombinedPSA graded more Caitlin Clark cards in 2025 than those three added together, and her sig…The Most Expensive Football Collectible Ever Sold Was Never SignedMaradona's Hand of God shirt made 7.1 million pounds unsigned. The best signed football …Why One Lamine Yamal Rookie Card Costs $50,000 and Another Costs $600Twenty-one certified Lamine Yamal cards are listed right now, from $599 to $50,000. The …What a Certified Babe Ruth Autograph Actually Costs114 eBay listings name Babe Ruth. Forty-six carry his signature. What the other sixty-ei…
Everything else2
Almost No Jim Thorpe Signature Survives From the Years That Made Him FamousHe won two Olympic golds in 1912 and dominated professional football for fifteen years. …Bart Starr Wrote Your Name on It, Which Made It Worth LessA dedication costs a fifth to two fifths on resale and he did it routinely, at shows, wh…