24 January (Germany, Democratic Republic ) within release Meteorological Observatory Potsdam goes into circulation Stamp Meteorological Observatory Potsdam face value 55 East German pfennig
Stamp Meteorological Observatory Potsdam in catalogues | |
---|---|
Michel: | Mi:DDR 1343-1345 |
Yvert et Tellier: | Yt:DDR 1039A |
Stamp is square format.
Stamp Meteorological Observatory Potsdam 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