Featured in this lot is this Navajo T & R Singer lapis lazuli barrel bead necklace. The necklace features a wonderfully and professionally crafted sterling silver, gold, lapis lazuli, purple spiny oyster, turquoise, jet, tiger eye, Malachite, and Mojave Turquoise for the multicolor gemstones. The barrel beads show the iconic stature of Tommy and Rose Singers design with geometric patterns throughout the barrel bead and shows a stamped sterling silver aglet before the clasp. Tommy and Rose Singer were a prominent couple in the world of Navajo jewelry, known for their significant contributions to Native American silverwork. Tommy Singer (1940–2014) was a master silversmith and one of the most famous Navajo jewelry artists. He is widely credited with pioneering the use of chip inlay, a technique where crushed turquoise or coral is inlaid into silver or gold settings, creating a striking mosaic effect. Rose Singer, his wife, was also deeply involved in the creation and promotion of their jewelry. The condition of this Navajo necklace is good with no obvious signs of damage and shows good overall condition. The measurements of this necklace from clasp to clasp is 27 1/2". The collective weight of this necklace is 153.7g.