1991 Sc 6312-6315. Domestic Historians. Scott 6052-6055

1991. Domestic Historians.
Catalogs: Scott 6052-6055, Standard Collection 6312-6315, Michel 6253-6256, Yt 5911-5914.
Issued on: 1991-12-12.
Perforation: frame 11½
Printing: Photogravure and Recess
Size: 28 x 40 mm
Colors: Multicolor
Face value: 4*10Russian kopek
Print run: 2,000,000