| Issuer | Date | Desc | State | ||
| - | no image | Angola | 12/10/2018 | empty sheet (#63881) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63882) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63883) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63884) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63885) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63886) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63887) | incomplete |
| - | no image | Angola | 12/10/2018 | Marine Mollluscs of Angola, sheet of 1 type | |
| - | no image | Angola | 12/10/2018 | empty sheet (#63910) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63911) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63912) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63913) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63914) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63915) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63916) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63917) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63918) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63919) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63920) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63921) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63922) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63923) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63924) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63925) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63926) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63927) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63928) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63929) | incomplete |
| - | no image | Angola | 12/10/2018 | empty sheet (#63930) | incomplete |