I just acquired some of these scarce Defiance chips (coded PWNR on page 320 --Wheel and Faro inlaid chips). They are not in the first edition of the book, and I never came across them at flea markets, etc.
They are made to look like a fort. See: http://en.wikipedia.org/wiki/Fort_Defiance
I have only 4 sets of 7 different colors. Very fine condition. Just got them. You want a set for $30 plus $3 for postage? PayPal OK. Return privileges.
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Robert
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John Barrymore (center with the chips) in "When a Man Loves" (1927).
http://www.antiquegamblingchips.com/StillsA_TopMaleStars.htm