1927 Sc 206a U.S.S.R. on the world map, color variety Scott 379

1927. U.S.S.R. on the world map.
Catalog numbers: Scott 379, Standard Collection 206a, Michel 332D.
Issued on: October 1, 1927.
Perforation: comb 12¾ x 12.
Printing: Lithography.
Colors: Blue and orange. This variety is not listed by Scott.
Face value: 14 Russian kopek.