1980 Sc 4997 60th Birth Anniversary of Georg Ots Scott 4818

1980. 60th Birth Anniversary of Georg Ots.
Catalogs: Scott 4818, Standard Collection 4997, Michel 4939, Yt 4680.
Issued on: March 21, 1980.
Perforation: comb 12¼ x 12.
Printing: Recess.
Size: 26 x 37 mm.
Colors: Slate blue.
Face value: 4 Russian kopek.
Quantity: 4,900,000.