Vintage navajo turquoise oyster shell necklace huge chunks sterling silver 29"

vintage estate beautiful Royston turquoise with amazing matrix, this has huge Royston turquoise chunks, see the photos of this beside the pen and the scissors, This has beautiful oyster shell at the top and the turquoise graduates from smaller to bigger. This is 29" long and has sterling clasp. This is a very OLD piece and has a hook clasp. At the top are two sterling ball beads. Excellent condition with only one turquoise chipped ,you can't tell at all ,especially when wearing. it's hard to see. Research told me smaller Royston necklaces similar to this is more expensive up to 800.00! This is priced very fair, so no lowball offers please. This has VERY nice weight to it, I will try to get a weight soon! EXCELLENT CONDITION! BOX 31 I sell in my closet and have tons of other brands similar to list such as weiss, Stanley Hagler, Alice caviness, Demario, Navajo, James Avery, miriam haskell, Jomaz, hattie Carnegie, juliana, Lee sands, Barse, native American, Navajo, Fairchild Baldwin, Elizabeth Taylor, stella & dot, coro, vior,Donald stannard, lisner, renoir, Eisenberg, Christian dior,Givenchy, ciner, carolee's, hobe, Ben amun, Tiffany and co, Vendome, Alexis bittar, Judith jack, kjl, vargas, Sherman, Nolan Miller, Elsa peretti sharra Pagano, Jill Fagin, raebird, Jay feinberg, kenneth Jay lane, Germany, talbots, Lilly pulitzer, J. crew, Japan, Hong Kong, Simon ju, Thelma deutsch, Erwin pearl, monet, Napier, Cynthia Daniel, Judith McCann, hollycraft, Joan rivers, E