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Source:
Colnect
Issued by:
Mongolia
Function:
postage
Date:
12/31
/
1974
Issue:
100th Anniversary of UPU b
Denom:
20m
Color:
multicolored
Design:
Watermark:
unwmk
Perf:
12
Catalog value:
Prev:
10m
Next:
30m
External links:
Colnect 245332..nion_Centenary
Record of changes
