Sheets of Portugal, 2018
| Issuer | Date | Desc | State | ||
| - |  |
Portugal | 2/8/2018 | empty sheet (#62326) | incomplete |
| - |  |
Portugal | 2/26/2018 | empty sheet (#62327) | incomplete |
| - |  |
Portugal | 3/16/2018 | empty sheet (#62328) | incomplete |
| - |  |
Portugal | 3/19/2018 | empty sheet (#62329) | incomplete |
| - |  |
Portugal | 4/2/2018 | EPAL, 150 Years - The Water that lives within us, sheet of 1 type | |
| - |  |
Portugal | 4/9/2018 | Battle of the Lys 100th, sheet of 1 type | |
| - |  |
Portugal | 5/7/2018 | 250th Anniversary of the foundation of Ajuda Botanical Garden, empty sheet (#62332) | incomplete |
| - |  |
Portugal | 5/8/2018 | empty sheet (#62333) | incomplete |
| - |  |
Portugal | 5/9/2018 | empty sheet (#62334) | incomplete |
| - |  |
Portugal | 5/9/2018 | empty sheet (#62335) | incomplete |
| - |  |
Portugal | 6/18/2018 | empty sheet (#62336) | incomplete |
| - |  |
Portugal | 7/9/2018 | empty sheet (#62337) | incomplete |
| - |  |
Portugal | 7/13/2018 | empty sheet (#62338) | incomplete |
| - |  |
Portugal | 9/14/2018 | empty sheet (#62339) | incomplete |
| - |  |
Portugal | 9/14/2018 | empty sheet (#62340) | incomplete |
| - |  |
Portugal | 9/20/2018 | empty sheet (#62341) | incomplete |