Porcelain plate "40 Years of the Soviet Union" from the Dulevo Factory

A rare Soviet porcelain plate in the propaganda style from the Dulevo Porcelain Factory, dedicated to the 40th anniversary of the Soviet Union, 1917 - 1957. Decorated in orange, ochre, and gold tones, painted with an image of an oak branch and a banner, inscribed in Russian: "25 October." Signed on the edges: "1917-1957" and "40 years" in Russian. With a green Dulevo Porcelain Factory mark and orange number 830 on the bottom.