Pottery & porcelain · a closer look

Proletariy mark: Proletariy Novgorod, 1967–1975

Mark details

Third-category mark.

1927–1930

c. 1930–1945

The source gives the 1930s to 1945.

c. 1930–1945

The source gives the 1930s to 1945.

c. 1930–1945

The source gives the 1930s to 1945.

c. 1939–1949

The source gives 1939 into the 1940s; the final year is decade-level precision.

c. 1939–1949

The source gives 1939 into the 1940s; the end retains decade-level precision.