Paul J Begay Huge Concho Butterfly Pin with Royston Turquoise

Huge concho butterfly pin by Paul J Begay in solid sterling silver. It is done in the old style with stamping and skipwork. It is set with a single rectangular Royston mine turquoise stone. It measures 2 7/8" by 1 1/4". Weight: 20.6 grams. Locking clasp. Signed on the back.