Pinchbeck

Part of speech: noun (n.)

An alloy of copper and zinc, resembling gold; a yellow metal, composed of about three ounces of zinc to a pound of copper. It is much used as an imitation of gold in the manufacture of cheap jewelry.

Part of speech: adjective (a.)

Made of pinchbeck; sham; cheap; spurious; unreal. "A pinchbeck throne." J. A. Symonds.