I have an inlay Torquois Bracelet with 2 hallmarks. "Navajo" "OB" - Wanting to know more information on "OB",who they are and the value of this bracelet.?

I'm very interested in whether you've found the answer to your question elsewhere by now. This is a lovely piece, and I would very much appreciate it if you would share with me any information you might have found about this hallmark. Reason: recently started studying old American Indian Jewelry as hobby, and can't find "OB" in any of the literature that I have purchased. Thanks.

The makers mark is probably Curtis Benavidez check indianvillage.com for more info. Hope this helps