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Source:
Colnect
Issued by:
China, PRC
Function:
postage
Date:
12/30
/
1958
Issue:
1st atomic reactor
Denom:
20f
Color:
brown
Design:
cyclotron
Watermark:
unwmk
Perf:
14
Catalog value:
Prev:
8f blgray d=reactor
Next:
4f car issue=sports-aviation publicity
External links:
Colnect 212284..oples_Republic
