1987 Sc 5825 Birth Centenary of Nikolai Vavilov Scott 5616

1987. Birth Centenary of Nikolai Vavilov.
Catalogs: Scott 5616, Standard Collection 5825, Michel 5773, Yt 5459.
Issued on: November 25, 1987.
Perforation: comb 12¼ x 12.
Printing: Recess.
Size: 28 x 40 mm.
Colors: Dark blue gray.
Face value: 5 Russian kopek.
Quantity: 2,900,000.