Stephen Koschal, Autograph Authenticator,
most auction houses think he’s the best…
Stephen Koschal has studied autographs for about sixty years and been a autograph dealer handling quality autographs and signed books since 1967.
As an autograph authent
Yesterday, I ran into a New York auction house that was holding an auction on ebay that had some nice items that were autographed. Two of the items I would really like to have. The auction house has been around quite a while so knows what things ar
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