Featured in this lot is a Navajo Tommy and Rose Singer sterling silver and 14K gold overlay, multi-stone Royston and Lone Mountain Turquoise necklace. Tommy Singer was a renowned Navajo silversmith who grew up on the Navajo Reservation and was taught silversmithing by his father beginning at the age of seven. Singer is thought to be one of the most important and greatest contemporary silversmith Indian artists and his work is highly sought after. Singer passed away on May 31, 2014. After his death, his wife, Rose, continued to create jewelry using designs Singer created prior to his passing. The necklace features two large cylinder barrel in Tommy Singer pattern crafted of sterling silver and 14K yellow gold overlay along with four more cylinder barrel beads of sterling silver. The piece has a graduated pattern with polished discoidal turquoise spaced with purple spiny oyster heishi beads along with tiger's eye, denim lapis lazuli, sugilite, charoite, agate, spiny oyster, jet, and a coral / red spiny oyster or pipestone catlanite. The large barrel beads are stamped / signed “T&R SINGER” (T & R Singer) as well as signed on the clasp “STERLING”. The overall condition of this Navajo necklace is good with no obvious signs of damage. The measurement of this necklace from clasp to clasp is 21 1/2". The collective weight of this necklace is 111.4g.*