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Source:
Colnect
Issued by:
Mongolia
Function:
airmail
Date:
6/20
/
1977
Issue:
11th Anniversary of Intercosmos
Denom:
20m
Color:
multicolored
Design:
Watermark:
unwmk
Perf:
12x12.25
Catalog value:
Prev:
10m
Next:
30m
External links:
Colnect 247979..ogram_11_Years
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