I got the email too. He said he bought them with a big coin collection, wanted to know if they had value, we exchanged a lot of emails, he ended up saying he'd put them on eBay. He showed these four. Odd that they all happened to be valuable:

Robert
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REX HARRISON (right) and CLIFF ROBERTSON at GAMBLING TABLE in "The Honey Pot" ’67.
http://www.antiquegamblingchips.com/movie/movHoney030315.jpg