This silver necklace is a reinterpretation of the famous painting The Great Wave off Kanagawa by Hokusai. We have engraved this design into hammered silver to make a rippled effect. It's so beautiful! We engraved deeply into the silver so it will last forever. We only use a hammered silver coin as given in the options for this piece. A 20" thin chain will be sent with this order. However, if you would like a different size offered below please message us immediately after ordering. We offer various chain sizes from: 18" thin 20" thin 24" thin 20" thick 24" thick Key Chain Adj Black Cord