Id heard of this supposed place on the site of the Dunes. I think there might be a matchbook and tray known but no previous proof of gaming.

3 examples of this chip showed up. There will be no more now the site has been fully excavated and filled.
I have all 3 available. Will take $3500 each for them. First gets the best example (the one pictured).

There is evidence of cleaning and chips are slightly warped, presumably from the weight of concrete. As a result, this one, for example, shows faint cracks where the insert meets the chip at 10 o'clock and between those inserts.

Email me if interested.
.