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Source:
Colnect
Block:
Issued by:
German Democratic Republic
Function:
postage
Date:
1/24
/
1968
Issue:
Potsdam Meteorological Observatory 75th
Denom:
20pf
Color:
multicolored
Design:
map with cloud formations
Watermark:
unwmk
Perf:
Catalog value:
In collections:
used
(Stan Shebs)
Prev:
10pf d=Aktinometer
Next:
25pf
External links:
Colnect 113319..c_Republic_DDR
