I don't think those are ASM's. I had a set of those that were created as a gift by the Claridge Casino in AC for High Rollers for a New Years gift or something.
Found an old thread... Mine were from "Del Webb's Claridge Casino Hotel" in Atlantic City. The set consisted of the following:
200 chips (100 White, 50 Red, 50 Blue)
5 Dice (wooohoo)
2 decks of cards
6 High Ball Glasses
6 Coasters
1 High Gloss Plastic Box to contain it all.
These were way too light to be ASM's, the edgespots are not uniform and it was more of a cold stamp than a hotstamp... YMMMV.