| Issuer | Date | Desc | State | ||
| - | no image | Burundi | 2/16/1968 | Winter Olympics 1968, sheet of 2 types | |
| - | no image | Burundi | 5/15/1968 | Space Exploration, sheet of 2 types | incomplete |
| - | no image | Burundi | 9/30/1968 | International Letter Writing Week 1968, sheet of 2 types | incomplete |
| - | no image | Burundi | 10/24/1968 | empty sheet (#43017) | incomplete |
| - | no image | Burundi | 11/26/1968 | Christmas 1968, sheet of 4 types | |
| - | no image | Burundi | 11/26/1968 | Christmas 1968, sheet of 4 types |