Campiglia & Wells lists this as Ernie Primm's Club, Reno at 25/50/75 (no dates) with a note about controversial attribution. The Chip Rack #9 has a note about why these chips aren't listed in TCR at Appendix A (Retired Numbers) pg. 427. No explaination as to why a smkey EPC Club chip is pictured on the cover of TCR however.