1974 Sc 4284 BL 98. World Exhibition “EXPO-74”. Scott 4193

1974. World Exhibition “EXPO-74”
Catalogs: Scott 4193, Standard Collection 4284 BL 98, Michel BL 95, Yt BF 94
Issued on: 1974-04-24.
Perforation: frame 12 x 12½
Printing: Offset lithography
Size: 72 x 93 mm
Colors: Multicolor
Face value: 50 Russian kopek
Print run: 1,150,000