Only now I don't think they are pogs! Still not sure what they are, but since each casino has a telephone number, they are probably advertising items. I have three different sheets (measuring 4.5" x 7 7/8") each with die-cut discs for 8 different casinos. Company named is Superstars Enterprises. All of these are foil hot-stamped and are somewhat subdued by the blackness in my scan.