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Source: Wikimedia Commons
Issued by:
German Democratic Republic
Function:
postage
Date:
7/2
/
1975
Issue:
German Academy of Sciences 275th
Denom:
20pf
Color:
multicolored
Design:
Karl-Schwarzschildt-Obsrvatorium
Watermark:
unwmk
Perf:
Catalog value:
In collections: some private
Prev:
10pf d=German dictionary of Grimm
Next:
25pf d=electron microscope chemical plant
External links:
Colnect 118881..c_Republic_DDR
