Issuer | Date | Desc | State | ||
- | Colombia | 5/28/1960 | empty sheet (#25655) | incomplete | |
- | Colombia | 7/20/1960 | Colombian independence 150th, empty sheet (#25656) | incomplete | |
- | Colombia | 9/26/1960 | Saint Isidore Labrador, sheet of 2 types | ||
- | Colombia | 10/24/1960 | UN Day, empty sheet (#25658) | incomplete |