Featured in this lot is this sterling silver turquoise and agate ring collection from Navajo artists Herbert Tsosie, Alberta Yazzie, and Sally Yazzie. There are three rings in this collection. The first is a wonderfully and professionally crafted sterling silver and agate construction that features scalloped shoulders that shows a twisted rope border and a square cut agate cabochon set into the ring face; The ring is marked 'HT' and has a 'sterling' stamp underneath the hallmark. The second ring features a wonderfully and professionally crafted sterling silver construction that features a plate frame with a twisted rope decoration and a large round Kingman turquoise cabochon set into the ring face; the ring is marked 'AR YAZ' and shows a 'sterling' stamp underneath the hallmark. The last ring features a wonderfully and professionally crafted sterling silver construction that features a Cripple Creek turquoise cabochon set into the center of the ring; The ring is marked with 'SY' and shows a 'sterling' stamp next to the hallmark. The condition of this collection of rings is good with no obvious signs of damage and shows good overall condition. The measurements of these rings is 1 1/8" x 1" x 7/8" and shows a ring size of US 11 1/2, the second ring measures 1" x 1 1/8" x 1 1/8" and shows a ring size of US 7 1/2, and the third ring measures 7/8" x 7/8" x 1/2" and shows a ring size of US 7. The collective weight of the rings are 29.7g.