18” genuine red coral chip necklace with sterling silver toggle clasp!

This is a beauty!! 18" long of all red coral chips! There is a makers mark on the toggle clasp but I can't quite figure out who it belongs to. I acid tested the toggle clasp, and it is sterling silver (even though it is unmarked). Please inspect and enlarge the pictures to assess the condition of the item for yourself. Please ask any questions you might have. Vintage/Pre-owned/antique items are being sold as is. Pictures are not altered and colors have not been adjusted. Due to technical reasons, colors may appear differently on your electronic devices. 💎gemstone, 14k, silver, gold, estate, ring, pendant, earrings, loose, natural, genuine, synthetic, lab, diamond, moissanite, vintage, real, gemstone jewelry, engagement, anniversary, promise, wedding, plated, gem, necklace, broach, fire, crystal, jewel, gift, authentic, collectable, affordable, tested, luxury, natural, opal, emerald, aquamarine, topaz, sapphire, tourmaline, zircon, spinel, investment, ruby, alexandrite, stamped, rainbow, bling, beach, rare, tropical 💎