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Source:
Colnect
Issued by:
Denmark
Function:
postage
Date:
11/21
/
1963
Issue:
Bohr theory 50th
Denom:
35o
Color:
red brown
Design:
hydrogen atom &
Niels Bohr
Watermark:
unwmk
Perf:
12.75
Width:
31.00
Height:
24.00
Catalog value:
In collections:
used
(Stan Shebs)
Prev:
5/27/1963 60o dkbl issue=International Postal Conference 100th
Next:
60o dkbl
External links:
Colnect 226433..irth_Centenary
Colnect 42165-..irth_Centenary
