Vintage enamel necklace/pendant on adjustable black nylon cord created by Jack Boyd modernist/contemporary jeweler and sculpture of San Diego, California. This one of a kind enamel pendant was created in mid 1970's and has its own unique design with beautiful colors of green, gold, black and white surrounded by bronze with peg accent. Necklace at longest is 35" and adjusts shorter from there. Pendant measures 1 3/4" wide by 2" long. This piece is in excellent vintage condition. No stamp and no signature. No returns on vintage items.