1957 Sc 1952-1955 Sixth World Youth Festival: Moscow Views Scott 1975-1978

1957. Sixth World Youth Festival: Moscow Views.
Catalog numbers: Scott 1975-1978, Standard Collection 1952-1955, Mi 1974-1977, Yt 1955-1958.
Issued on: July 27, 1957.
Perforation: line 12¼.
Printing: Typography.
Colors: Multicolor.
Face value: 40 Russian kopek; 40 Russian kopek; 1 ₽; 1 ₽.
Quantity: 2,000,000; 2,000,000; 2,000,000; 2,000,000.