1975 Sc 4437. ‘Shaft drilling for the suburb’, by E. E. Lanssere. Scott 4353

1975. ‘Shaft drilling for the suburb’, by E. E. Lanssere.
Catalog numbers: Scott 4353, Standard Collection 4437, Michel 4387, Yvert 4170.
Issued on: July 22, 1975.
Perforation: comb 12¼ x 12.
Printing: Offset lithography.
Size: 52 x 37 mm.
Colors: Multicolor.
Face value: 10 Russian kopek.
Quantity: 6,000,000.