OK, so not exactly a brothel chip, but a chip issued by a "gentlemen's club" here in the UK. I bought 2, one for my collection and this one is the only spare I have. Not sure what £10 buys you - I have never been inside one of these places!!!

Jason

http://www.ebay.com/itm/150986717314?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649