1987 Sc 5730-5734 Butterflies Scott 5525-5529

1987. Butterflies.
Catalogs: Scott 5525-5529, Standard Collection 5730-5734, Michel 5678-5682, Yt 5376-5380.
Issued on: January 15, 1987.
Perforation: comb 12¼.
Printing: Offset lithography.
Size: 40 x 28 mm.
Colors: Multicolor.
Face value: 4 Russian kopek; 5 Russian kopek; 10 Russian kopek; 15 Russian kopek; 30 Russian kopek.
Quantity: 6,000,000; 5,700,000; 4,000,000; 3,100,000; 3,200,000.