Vintage 10k gold hummingbird necklace C.CO black hills gold yellow rose gold vtg

Beautiful 10k solid gold yellow and rose gold beautifully detailed with like a diamond cut. The chain is 12k gold filled and the clasp has tarnish. The rest of the chain is perfect and likely will stay that way with care, it's gold filled NOT PLATED. It has like a twist design and it's a thin delicate 18" chain. The hummingbird is very sweet and is solid 10k gold. This Beautiful piece comes in a gorgeous gray-blue velvet box with gold metal edges. Very fancy and vintage with the company logo inside in gold. This would be a perfect vintage gift! 18" chain! The Inside has original price from A LONG TIME AGO! This is NOT the worth today. Excellent condition with exception of the tarnished spring ring, could be cleaned? box 33 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, 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, Elizabeth Taylor, Anne klein, Oscar de la Re