For sale is this signed with the Nils Elvik & Co. Norway hallmark, Sterling Silver Vermeil & Red Enamel Shell Pattern Necklace. It measures almost 16" long and the shell design links measure just over 1/2" long. Each link has a great deep red enamel finish with a heavy gold wash. The necklace weighs 34.5 grams and is free of chips, cracks, scratches, damage or repair. It dates to the 1950's.