20 July (Soviet Union, USSR ) within release 150th Anniversary of Pulkovo Observatory. goes into circulation Stamp 150th Anniversary of Pulkovo Observatory. face value 10 Russian kopek
Stamp 150th Anniversary of Pulkovo Observatory. in catalogues | |
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Michel: | Mi:SU 5976 |
Stamp is horizontal format.
Also in the issue 150th Anniversary of Pulkovo Observatory.:
Stamp 150th Anniversary of Pulkovo Observatory. it reflects the thematic directions:
An observatory is a location used for observing terrestrial, marine, or celestial events. Astronomy, climatology/meteorology, geophysics, oceanography and volcanology are examples of disciplines for which observatories have been constructed