The "chip" in this auction looks like a trade token to me. The seller claims it to be from Lake Tahoe, but I find no listing for any Paradise Club on Tahoe. I e-mailed to ask where they go their information and whether it's metal or not. Click here to see it:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=6173543563&fromMakeTrack=true