Nope, has to do with regulation if I remember well..
These are using a house mold so TH&C is not in the mold and producer has to be identified on the chip.
I’m pretty vague on this so could be wrong
Nevada reg 12.030(2)c, last modified in 12/1991:
12.030 Specifications for chips and tokens.
1. Chips and tokens must be designed, manufactured, and constructed in compliance with all applicable statutes, regulations, and policies of the United States, Nevada, and other states, and so as to prevent counterfeiting of the chips and tokens to the extent reasonably possible. Chips and tokens must not deceptively resemble any current or past coinage of the United States or any other nation.
2. In addition to such other specifications as the Chair may approve:
(a) The name of the issuing gaming establishment must be inscribed on each side of each chip and token, and the city or other locality and the state where the establishment is located must be inscribed on at least one side of each chip and token;
(b) The value of the chip or token must be inscribed on each side of each chip and token, other than chips used exclusively at roulette;
(c) The manufacturer’s name or a distinctive logo or other mark identifying the manufacturer must be inscribed on at least one side of each chip and token; and
(d) Each chip must be designed so that when stacked with chips and tokens of other denominations and viewed on closed-circuit, black-and-white television, the denomination of the chip can be distinguished from that of the other chips and tokens in the stack.
3. The names of the city or other locality and th