Assay Mark "583" Worker's Head with Hammer

Hallmarks-Assay

Metal: Gold
Letter: 583
Year: 1927-1955
Shape: Spade-shaped
Description: Assay mark on a gold item: the left side of the mark features a worker with a hammer, the right side features the three digits "583". The mark has a spade shape. Used for all established gold standards. 1927 - 1955. Shape: Spade-shaped. Metal: Gold. Standard: 583.