New vintage abalone shell pendant necklace

New vintage abalone shell pendant necklace Unique design from the 1970s! Pretty abalone center in a scalloped setting with 3 curled, veined leaves. Pendant: 25x23 mm x 3 mm thick, not including bail Abalone: 8x10 mm Mostly pearlescent pink-grey-white with brown ring and aqua green-blue tinges Strong fancy cable Chain: 18”, 2x3 mm large links, almost 1 mm thick, serrated-like textured + smooth edges New vintage c. 1970s. Natural abalone shell. No visible hallmarks. Probably silver plate or good costume. Still beautiful and shiny! No tarnishing. No kinks.