I saw several boxes of these for sale on eBay.

Seller 1-powerseller

I got this pic from google, the ones on eBay look much more used.

NOT my auction, Description from seller:

RARE BOX OF $500 IN $5 PONDEROSA RENO NEVADA CASINO CHIPS $500 IN FACE 100 CHIPS

NO RESERVE

THIS IS A FULL RARE BOX OF $500 IN $5 PONDEROSA RENO NEVADA CASINO CHIPS. INCLUDES 100 CHIPS.

� THEY COME IN GREEN BOX. CHIPS ARE IN GREAT CONDITION BOX SHOWS SOME WEAR AS PICTURED.

SEE OUR 99.9% POSITIVE FEEDBACK AND BID WITH CONFIDENCE. EMAIL ANY QUESTIONS. SHIPPING IS $9.99

THANKS!