Niger
Although this edition was authorized by the Niger postal administration, it was not sold in Niger, but only distributed to the novelty trade by the Nigerian philatelic agency.
| Country: | Niger |
| Type: | Postal blocks |
| Series: | Submarines (2018) |
| Nominal: | 3,300 CFA |
| Year: | 2018 |
Submarines (2018)
 Various Submarines |  PNS Ghazi - Pakistan |