1990 Sc 6181 BL 218. Nature protection. Scott B172

1990. Nature protection.
Catalogs: Scott B172, Standard Collection 6181 BL 218, Michel BL 215, Yt BF 214.
Issued on: 1990-09-12.
Perforation: frame 12
Printing: Offset lithography
Size: 65 x 90 mm
Colors: Multicolor
Face value: 20+10 Russian kopek
Print run: 500,000