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1st Congress for Electronic Data Processing / 100th Anniversary of National University, Bogota issue of Colombia
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Short desc: 1st Congress for Electronic Data Processing / 100th Anniversary of National University, Bogota
Issuer: Colombia Date: 10/29/1968 Sort position: 2 Occasion: 1st Congress for Electronic Data Processing (Colombia) Also: National University, Bogota opening Number/Year: 100 Consists of 1 stamp: (See stamps as list) 20c All are airmail perf=13.5x14 |
