Produced in quantity as home game type chips. Series from 25c up to $5000. I don't think it's still being sold currently (other than on eBay), but I remember them from some years ago at either Gambler's General Store, or perhaps at Spinetti's.

See ChipGuide fake/fantasy listing here:
http://chipguide.themogh.org/cg_chip2.php?id=nvlvjc&p=00100000&v=2945342#160