"$5 Sahara - Awesome new discovery. Hard to believe that previously unknown chips like this can still turn up. Now thought to be the first issue. We know of 3 chips that have this inlay, but this is the only one known with on a small key mold. The other 2 are a smooth mold version."

As described above at Casino Rarities, this chip is worth tens of thousands of dollars. Up for eBay auction is the matching super-rare ashtray in excellent condition. Just click below for a great opportunity.