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Autographs - News and Notes
Babe Ruth Autographs, The Holy Grail – Brigandi Coins & Collectibles
Operation Bullpen Author Pens Online Series for SCD On the Craft
Director of 'The Counterfeiter' revisits Operation Bullpen
A Picture's Worth 1,000 Wordsand $11,000 : The Price of a Babe Ruth
MLB authenticator talks about how league works to protect fans
Forgery: The bane of the hobby of sports collectors - Sports
Baseball's Army of Authenticators - WSJ
Guardians of the genuine: Inside the world of MLB authenticators
Operation Bullpen: Fake Autographs Still Out There in Marketplace