| Issuer | Date | Desc | State | ||
| - | no image | Ukraine | 3/14/2021 | empty sheet (#87645) | incomplete |
| - | no image | Ukraine | 6/9/2021 | empty sheet (#87646) | incomplete |
| - | no image | Ukraine | 6/14/2021 | empty sheet (#87647) | incomplete |
| - | no image | Ukraine | 7/9/2021 | 150th Anniversary of the Birth of Lesya Ukrainka, sheet of 1 type | |
| - | no image | Ukraine | 8/6/2021 | Birds of Ukraine, sheet of 8 types | incomplete |
| - | no image | Ukraine | 8/17/2021 | empty sheet (#87650) | incomplete |
| - | no image | Ukraine | 9/2/2021 | empty sheet (#87651) | incomplete |
| - | no image | Ukraine | 9/6/2021 | empty sheet (#87652) | incomplete |
| - | no image | Ukraine | 9/8/2021 | empty sheet (#87653) | incomplete |
| - | no image | Ukraine | 9/18/2021 | empty sheet (#87654) | incomplete |
| - | no image | Ukraine | 10/4/2021 | empty sheet (#87655) | incomplete |
| - | no image | Ukraine | 12/15/2021 | empty sheet (#87656) | incomplete |