Native American — Navajo jewelry articles, three

Native American — Navajo
jewelry articles, group of three:
1) cuff bracelet — silver, turquoise, orange and purple spiny oyster shell, onyx, lapis lazuli, coral, mother-of pearl; unsigned
2) shadow box bear paw demi-parure: necklace and earrings — sterling silver, coral; signed SJ
3) earrings — silver, coral, turquoise; signed S.A.S.
56.5 dwts (total)
1) cuff bracelet: 1 1/16"w x 7 1/4"l (inner length, approximately), cuff opening: 1 5/16"