"20\", 7mm, vintage (340112) sterling silver handmade modern necklace, solid 925 silver wavy link chain, stamped NS A14"
"20\", 7mm, vintage nickel silver handmade modern necklace, silver wavy link chain, stamped NS A14 (NS means that the jewelery is made from gold, silver and nickel, where nickel and silver are the base metal.)"