Navajo/ Native American jewelry

Classic Native American silver and turquoise necklace This vintage necklace is from the 60’s-70’s and made with real sterling silver and turquoise. I’m I am asking 1000$ obo Coral and turquoise chip necklace with silver 200$ obo Dainty silver necklace with turquoise 125$ Coral cuff 80$ Turquoise cuff 100$ this is not sterling silver, I was told brass. Choker 50$ (sold) Nothing has stamps so I can’t trace anything to a designer. Also this doesn’t devalue it.. just means I don’t know who made these wonderful pieces of art :)