K mtz Martinez Native American sterling silver ring Abalone Paua shell ring size 6.5 labradorite sterling C clasp fastening with a

C clasp fastening with a holloware design

Siam Ancient ship nielloware black sterling silver vintage tie clip

Stamped Mexico 925 TR-151

Stamped Austria on the reverse

K mtz Martinez Native American sterling silver ring Abalone Paua shell ring size 6.5 labradorite sterling C clasp fastening with aK mtz Martinez Native American sterling silver ring Abalone Paua shell ring size 6. 5. Good used condition with little to no signs of normal wear. Great patina present. This abalone stone is mixed with many colors of the beautiful shell. Stamped with Sterling and K mtz in the center. There is also an etched Kmtz on the back. Acid tests positive for sterling silver. Ring measures size 6 and 1 2