Vintage Signed Native American Blue Denim Lapis & Sterling Silver Necklace

This gorgeous old pawn vintage genuine denim blue lapis and sterling silver handmade Native American artisan necklace was bought in Colorado at an estate sale in Aspen. Beautiful piece in great shape for its age, approx. 1960’s-70’s, Navajo designed with silver feathers at bottom of stone setting , all on paper clip style chain. 19” long. Signed by artist but can’t make out clearly. You can see stamping in pic of back of pendant ❤️ **** I do not clean any of my vintage jewelry listed. I leave this up to the buyers choice whether.