Centenary of Mendeleev's Periodic Law of Elements.
93%
Country: | Soviet Union, USSR |
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Issue: | 20th Anniversary of World Peace Movement. |
Date: | 1969-06-20 |
Print: | Photogravure and Recess |
Size: | 52 x 37 |
Perforation: | comb 12½ x 12 |
Emission: | Commemorative |
Format: | Stamp |
Face Value: | 6 Russian kopek |
Print run: | 4000000 |