tropical paradise), I looked elsewhere. It sounds like a charity game or special event. A play on words? The "Hi" part immediately brought to mind a Hi School! And searching a bit further, I found:

http://www.mcqueenbaseball.net/rosters/

McQueen High School in Reno held a charity poker tournament in February 2020. Can't say that is IT, but it at least proves my mind isn't totally dead. Yet.

Yes, you are correct, the diamond mold chips - of Chinese manufacture, I think - are lightweight and meant mostly for home play or very limited-play use at a casino (such as a comp chip). Hope this helps you out, but keep looking and asking. As my home water heater broke down Friday night and is leaking like crazy, I am all wet now.