A disc was cut of copper and given a slight indentation. A small rivet was also added to the disc. A patina developed over several weeks that give the necklace a beautiful combination of blue, green and browns mixed throughout. The chain is a Vintaj natural brass chain with a beautiful toggle. The drop length of this necklace is approximately 13.5 inches. The copper disc has a diameter of approximately 1.5 inches. This piece has been sealed with a protective lacquer and wax to protect the finish. Please see shop policies for care of this necklace.