Fabulous Navajo sterling and turquoise with jet, mother of peal and spiny oyster shell. Fred Harvey era with arrows and other geometric designs on sides. Gorgeous colors of blue, green, black, white and orange. Stunning! Excellent vintage condition. No markings on back as found in older pieces. Rainbow Man design. Measures approximately 5 2/8" inside dimension with 1 3/8" gap. Left unpolished to show patina but could be polished if desired. Wonderful collectible item! From non-smoking home.