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Short desc: German Academy of Sciences 275th
Issuer: German Democratic Republic Date: 7/2/1975 Occasion: German Academy of Sciences founding Number/Year: 275 Consists of 4 stamps: (See stamps as list) 10pf d=German dictionary of Grimm 20pf d=Karl-Schwarzschildt-Obsrvatorium 25pf d=electron microscope chemical plant 35pf d=Satellite of the interuniverse series |