ValkyrieVixen YOU are actually incorrect. There is a Tracey Knifewing and that would be the correct hallmarks. She is contemporary and collaborates with QVC just like Roderick Tenario. If you Google her you will find many pieces. I have had one or two older pieces myself. Quite popular!
There is a group you can join on fb that has many native American members. The pendant is nice but it looks like an import. If you join: zuni jewelry buyer beware. They can tell you immediately if it is legit or import. Great group for reference
More than likely it is a true vintage old pawn mark which is used commonly for anything vintage but doesn't make it old pawn. A combination of letters or letters and numbers where used as a code. Hand etched.