What does EPNS mean on silver?

On silver, EPNS means that the piece is electroplated nickel silver. This indicates that it consists of nickel, copper and zinc, finished with a thin layer of pure silver applied via an electrochemical process. One of the benefits of EPNS silver is that the color of the nickel metal makes wear and tear on the silver plating less noticeable. On 1stDibs, find a large collection of silver ware.