| Issuer | Date | Desc | State | ||
| - | no image | Gibraltar | 2/20/2023 | Queen Elizabeth II memorial, sheet of 3 types | |
| - | no image | Gibraltar | 3/30/2023 | empty sheet (#87576) | incomplete |
| - | no image | Gibraltar | 6/30/2023 | Gibraltar Wildlife, sheet of 1 type | |
| - | no image | Gibraltar | 9/22/2023 | Butterflies of Gibraltar, sheet of 6 types | |
| - | no image | Gibraltar | 9/22/2023 | empty sheet (#87579) | incomplete |
| - | no image | Gibraltar | 11/2/2023 | empty sheet (#87580) | incomplete |
| - | no image | Gibraltar | 11/20/2023 | empty sheet (#87581) | incomplete |