I like this bit
"This chip is classified as “Unique,” because ONLY ONE OTHER IS KNOWN TO EXIST"

May be a little overpriced but not much. Nowhere near this seller!!
http://www.ebay.com/itm/1951-Al-Coopers-Polynesia-5-2nd-Edition-Casino-Chip-Las-Vegas-NV-/271652520575?pt=LH_DefaultDomain_0&hash=item3f3fc0827f