Here is an ebay listing but it is a "little" pricey
https://www.ebay.com/itm/Frontier-Hotel-Concrete-Foundation-Casino-Tokens-Slab-Las-Vegas-Slot-Poker-Chips/254567738868?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20131017132637%26meid%3D2dd82852a2914ae99b56f946974be0e6%26pid%3D100033%26rk%3D1%26rkt%3D6%26sd%3D254567738868%26itm%3D254567738868%26pmt%3D1%26noa%3D1%26pg%3D2045573&_trksid=p2045573.c100033.m2042
