I found this Red Harrah's Reno Roulette well over 10 years ago and have been looking for other colors ever since with no luck. I think I saw a Yellow one on ebay a long time ago but have not seen other colors. The Chip Guide list 5 colors - (br-fu-or-rd-yl). I was shocked to find these two new colors on eBay. I think this is two additional colors - Green and White. Based on the value codes in the Chip Guide these are not rare but they sure are hard to find.