| Issuer | Date | Desc | State | ||
| - | no image | Estonia | 1/28/2020 | 200th Anniversary of the Discovery of Antarctica - Joint Issue with Russia, sheet of 2 types | |
| - | no image | Estonia | 3/20/2020 | 100th Anniversary of the Birth of Georg Ots, sheet of 1 type | all added |
| - | no image | Estonia | 9/4/2020 | WRC - Estonia Rally, sheet of 1 type | all added |
| - | no image | Estonia | 9/10/2020 | 150th Anniversary of Railways in Estonia, sheet of 1 type | all added |