not - Native American
It is a secret society.
Texas alone has about 50 Tribe's, of which more than half of these have some kind of bingo or poker.
This one is from - Onita Tribe #2 - San Angelo, TX.

This one is listed incorrectly, as from - CasinOmaha - Iowa
It should have a seperate listing.
Improved Order of Red Men - Omaha Tribe #3 - city & state are unknown.