Fineness "850" with Hammer and Sickle Emblem Inside a Five-Pointed Star

Hallmarks-Assay

Metal: Palladium
Letter: 850
Year: 1958
Shape: Truncated Oval
Description: Fineness mark on a palladium item: the left side of the mark features the hammer and sickle emblem inside a five-pointed star, the right side bears the fineness digits "850". The mark has a truncated oval shape. From 1958. Shape: Truncated Oval. Metal: Palladium. Fineness: 850.