When the keychains were first announced, there were questions as to if they would be actual chips in the keychain. Later determined to be reproductions.

I bought a bunch on their website. (Unfortunately, mine are long gone.)

Looks like they are sold out on the casino’s website.

https://el-cortez-hotel-casino.myshopify.com/products/vintage-poker-chip-keychains?variant=41624616730806