Sterling Silver and Spiny Oyster Ring by BTR Size 6 1/4

Sterling silver and spiny oyster shell ring.  Stamped BTR (Navajo Ben Taylor Riggs) and sterling.  The ring is new, in good condition and is size 6 1/4. The front is 1" tall x 9/16" wide.  The stone has some of the white of the shell in it.  Interesting look.  Thank you for looking and let us know if you have questions.