Antique Navajo sterling silver and turquoise Thunderbird friendship pin. It is stamp decorated and has applied Thunderbirds with the crossed arrow symbols stamped at their hearts; the symbol of friendship. The setting is a satellite frame with natural green turquoise. It measures 2 1/2” by 1 1/8”. Locking clasp. Marked sterling with the old block letter stamp. Weight: 13.5 grams. Beautiful warm patina. Fred Harvey era.