| Pan African Postal Union founding |
|
1981 |
| — 10th Anniversary of Pan African Postal Union - Kenya, Nigeria (2) |
|
1990 |
| — 18th Anniversary of Pan African Postal Union - Kenya, Sudan, Uganda, Zambia (4) |
|
1998 |
| — 23rd Anniversary of Pan African Postal Union |
Ethiopia |
2003 |
| — Pan African Postal Union 18th |
Zambia |
2003 (+4) |
| — 30th Anniversary of the Pan African Postal Union |
Republic of the Congo |
2010 |
| — 30th Anniversary of Pan African Postal Union - Ethiopia, Kenya, Uganda (3) |
|
2010
-2011 |
| — Pan African Postal Union 30th |
Zimbabwe |
2010 |
| PAPU founding |
|
1981 |
| — 30th Anniversary of PAPU - Egypt, Nigeria, Tanzania (3) |
|
2010 |
| — 30th Anniversary of the PAPU |
Libya |
2010 |
| Pan-African Postal Union founding |
|
1981 |
| — 25th Anniversary of Pan-African Postal Union |
Guinea |
1988 (-18) |
| — Pan-African Postal Union 10th - Algeria, Niger (2) |
|
1990 |
| — 10th Anniversary of Pan-African Postal Union - Ethiopia, Ivory Coast, Liberia, Tanzania, Togo, Uganda, Republic of the Congo (7) |
|
1990
-1991 |
| — 18th Anniversary of Pan-African Postal Union - Ethiopia, Mali, Mozambique (3) |
|
1998 |
