Navajo, Native American sterling silver & Turquoise unique pin, brooch jewelry

  
Navajo, Native American sterling silver & Turquoise unique pin, brooch jewelry. Minor wear from age and scratches (see images) Tarnished. 2 1/2 high at highest without loop. 2 1/2 wide at widest.

Stone is 3/4" high at highest, 1/2" wide at widest. I inherited this from dear friend who lived in Phoenix. She attended Indian Week in Santa Fe every year and had family in the area.