1963 Sc 2807. 60 anniversary from the date of opening of the II congress of RSDRP. Scott 2765

1963. To the 60 anniversary from the date of opening of the II congress of RSDRP.
Catalog numbers: Scott 2765, Standard Collection 2807, Michel 2786, Yvert 2695.
Perforation: comb 12 x 12½.
Color: Light-red and dark-gray.
Printing: Offset lithography.
Print run: 4,000,000.