When can someone that doesn't authentic autographs whatsoever clearly determine that an autograph is fake? Here's an example with no guesswork involved. I saw a Ty Cobb autograph being sold on eBay recently. It's his signature on a baseball envelope and being sold as genuine.

The problem? It has a Lou Gehrig commemorative stamp on it. Cobb died in 1961. The Gehrig stamps came out in 1989. You gotta wonder why is only sold for $102.50. Or maybe we have to wonder who would pay $102.50 for it.

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The first night of Mastro's Classic Collector Auction finished last night, with other half ending tonight. I now own game-used bats from Carl Yastrzemski and Rod Carew. I'm also still in disbelief that the Barack Obama single-signed PSA 9.5 baseball sold for $2,100.