Alpacca. Onetime trademark for an alloy of copper, nickel and zinc; a form of German-silver or nickel-silver. Alpacca is a white metal alloy. First formulated in Germany it was made in imitation of silver, but it has no silver content.
excerpted with permission from
For Artists, Makers, Collectors and Curators
COMPILED AND WRITTEN BY D. WAYNE JOHNSON
Roger W. Burdette, Editor