| Issuer: Colombia
Issue: 50th Anniversary of 1st Colombian Airmail Flight Date: 6/18/1969 (1969 sheets) Block 1 (1, 1 x 1) 1, 1: 5p Block 2 (1, 1 x 1) 1, 1: 5p |
External links: Colnect 523400..ail_50th_Anniv |
| Issuer: Colombia
Issue: 50th Anniversary of 1st Colombian Airmail Flight Date: 6/18/1969 (1969 sheets) Block 1 (1, 1 x 1) 1, 1: 5p Block 2 (1, 1 x 1) 1, 1: 5p |
External links: Colnect 523400..ail_50th_Anniv |
