Navajo Sterling Silver, Spiny Oyster Shell and Turquoise Ring Size 7

Southwest sterling silver, turquoise and spiny oyster shell ring.  The ring is 1" tall and 1/2" wide.  Stamped sterling BTR by the Navajo artist.  The turquoise is oval and the spiny oyster is a teardrop shape. The ring size is 7. New ring in good condition.  Thank you for looking and let us know if you have questions.