Many are listed now, Robert. Some of us collect them. I'd like to see the varieties continue to be listed. Every instance I've seen appears to be in chips ordered at different times.

By the way, I also collect varieties of poker chips and was sorry to see Dale drop many of them in the last update of the antique poker book.

I can send you an oversize "NOP" inverted H&C chip, Robert. Is that what you're looking for?