14k solid gold genuine diamonds herringbone flat chain chevron necklace choker

Vintage 14k yellow gold AT&T SBC Telecom Co chevron herringbone flat chain necklace made by cTo (O. C. Tanner Jewelry Co. founded in 1927), in excellent, like new condition. A super rare find and collectible item! The herringbone chain and clasp are marked and tested as 14k solid gold, NOT plated or filled. “14k” stamp as shown. It is 2mm thick with no bends or kinks. The "V" shaped pendant that is attached to the chain by jump rings is 10k heavy gold filled and stamped. The front side has three earth-mined, clean and sparkly diamonds. They are estimated to be F/G color, VVS-VS clarity. The pendant is stamped "SBC" and their bell logo. The back side is signed by cTo. The clasp is a slide-in with a safety lock, making it extra secure. This necklace is very high quality and has special meanings, and would make a great addition to your collection. The necklace is 19" and weighs 4.75g. The pendant can be easily removed by a jeweler and swap for another pendant of your choice, a piece of chain, or something else! Vintage, antique, retro, 14k, 18k, 10k, filigree, estate gold, timeless, Victorian, art deco