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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:
25pf
Color:
multicolored
Design:
electron microscope
chemical plant
Watermark:
unwmk
Perf:
Catalog value:
In collections: some private
Prev:
20pf d=Karl-Schwarzschildt-Obsrvatorium
Next:
35pf d=Satellite of the interuniverse series
External links:
Colnect 118882..c_Republic_DDR
