See this sale. The chip doesn't appear to be listed in either guide (Though the Campiblia/Wells guide doesn't show roulettes) as noted by the seller.
http://cgi.ebay.com/Very-Rare-Holiday-Hotel-Reno-Casino-Chip-Lg-Key_W0QQitemZ170010890401QQihZ007QQcategoryZ63756QQrdZ1QQcmdZViewItem