Great looking vintage Native American sterling silver bolo necktie with black onyx cabochon.
The gemstone is 3/4" x 1/2" and set in bezel frame on domed silver bolo that measures 1-3/8" x 1-1/8" 
It is on 39" braided black leather necktie with very nice 2-1/8" sterling silver tips that have stamped sunrise pattern and bench bead style ends.
I don't see any marks, the tips and the bolo top with onyx are guaranteed solid sterling silver.
The metal clip back part of bolo is stainless steel, and it works properly.
The black braided leather necktie shows a little wear.  I have not cleaned, natural patina on the silver and all very good condition.