1986 Sc 5635 BL 190. International Programm “Venus – Halley’s Comet”. Scott 5434

1986. International Programm “Venus – Halley’s Comet”.
Catalogs: Scott 5434, Standard Collection 5635 BL 190, Michel BL 187, Yt BF 186.
Issued on: 1986-03-06.
Perforation: frame 12½ x 12
Printing: Offset lithography
Size: 65 x 90 mm
Colors: Multicolor
Face value: 50 Russian kopek
Print run: 900,000