I have serious doubts about these chips, when I was first called and offered a set the seller said he only had 6 sets and that these were made of clay, I had not seen them yet. Now I see the picture on Ebay and see that they are made of plastic and that a large number of sets had been sold to a collector in San Juan. The sellers asking price was 75$ each, I for one do not question the chips were not used, but like Archie says maybe in someone's home. I do not consider these a legit casino chip.