Elaine Coyne designs lost wax cast pieces in Sterling.  Lost wax cast designs by Elaine Coyne. Lost wax is the process by which a duplicate metal sculpture is cast from an original sculpture.  The oldest known
examples of this technique are the objects discovered in the Cave of the Treasure (Nahal Mishmar) hoard in southern Israel, and which belong to the Chalcolithic period (4500–3500 BC).