Follow this ebay link, but scroll down until you see the chip that was sold -- a $1 "Palms" chip.
Yes, I think it is a home game chip.

https://www.ebay.com/itm/326252703511

The ceramic mold chip, named the "cards mold", is available as a blank from a number of places. From China, and also from resellers like this one:

https://www.texaspokersupply.com/store/custom-ceramic-cards-mold-poker-chips-casino-grade-39mm/

The buyer can then provide artwork for a finished chip of any design.

As far as I know, this particular card-mold ceramic chip is not approved for use by Nevada Gaming Control.