the Riviera issued chip or the club issued chip? The Riviera chip "Chip Connoisseur" may be purchased from Andy Hughes at: http://www.nevadacasinochips.com/Limited5.htm

The club issued chip is probably still available from Promotions Chairperson, Roy Nelson. The link for the order form is: http://www.ccgtcc.com/merchandise_order_form.pdf

Hope this helps.