I never saw a $5 hub Isthmus chip. I'd like one too. .... ..... .... I have the Playboy plastic chips in red, white and black. See picture below. I'll send you a black one for free if you want one The box is dated 1974..... ........... Here is a link to my web page about the chips I rented to Playboy for a pictorial shoot:
http://www.antiquegamblingchips.com/HeatherChristensen.htm

Robert