'Named for its inventor, Pinchbeck is a zinc-copper alloy used on metal to imitate this'
Gold
THEY CAN'T ALL BE GEMS: Named for its inventor, Pinchbeck is a zinc-copper alloy used on metal to imitate this
Named for its inventor, Pinchbeck is a zinc-copper alloy used on metal to imitate this
Named for its inventor, Pinchbeck is a zinc-copper alloy used on metal to imitate this
THEY CAN'T ALL BE GEMS
Gold
THEY CAN'T ALL BE GEMS