VINTAGE 70's 80's HUGE HEAVY SIGNED NAVAJO CARVED STERLING TURQUOISE CUFF

OUTSTANDING VINTAGE NAVAJO STERLING SILVER TURQUOISE CUFF - SIGNED J.N. NAVAJO STERLING (JASPER NELSON, JONATHAN NEZ, JOHN NELSON?). WEIGHT IS 82.7 GRAMS, MEASUREMENTS IN PHOTOS. FROM MY MOTHER'S ESTATE COLLECTION.