Russia - 6k stamp of 1971 (#114324) | StampData

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Colnect-4142-989-13th-International-Science-History-Congress.jpg

Source: Colnect

Issued by:	Russia
Function:	postage
Date:	6/9/1971
Issue:	13th International Science History Congress
Denom:	6k

Color:	multicolored
Design type:	congresses
Design:	science
Watermark:	unwmk
Perf:	12


Catalog value:

Prev: 5/24/1971 4k issue=90th Birth Anniversary of A.A. Bogomolets d=A.A. Bogomolets
Next: 6k issue=5th General Assembly of Geodesics and Geophysics d=satellite (1971)

External links:
Colnect 250672..iet_Union_USSR