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Source:
Colnect
Issued by:
Colombia
Function:
airmail
Date:
10/29
/
1968
Issue:
1st Congress for Electronic Data Processing / 100th Anniversary of National University, Bogota
Denom:
20c
Color:
multicolored
Design:
Watermark:
unwmk
Perf:
13.5x14
Catalog value:
Prev:
10/13/1967 20p issue=UPU committee meeting
Next:
3/5/1969 1p issue=25th Anniversary of Inter-American Agricultural Sciences Institute
External links:
Colnect 272039..versity_1st_Da
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