Vintage Elka 18” rope necklace, 1/20 12k gold filled

This is a vintage 18", 2.5mm thick gold rope necklace! There's a bit of wear on the clasp, which is common for most vintage items Stamped 1/20, 12k on the clasp and "Elka, 1/20 12k GF" on the tag. 💎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, vintage, forever, beauty, gold tone, silver tone, 💎