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Source:
Colnect
Issued by:
Russia
Function:
postage
Date:
3/26
/
1961
Denom:
6k
Color:
dark brown
Design:
Robert Koch
(1961)
Watermark:
unwmk
Perf:
12
Catalog value:
In collections:
used
(Stan Shebs)
Prev:
4k ultra&blk d=Sklifosovsky
Next:
4/7/1961 6k bl&brn d=open book&globe
External links:
Colnect 232292..bert_Koch-USSR
