| Issuer | Date | Desc | State | ||
| - | |
Niue | 4/7/2015 | empty sheet (#49891) | incomplete |
| - | |
Niue | 6/3/2015 | empty sheet (#49892) | incomplete |
| - | |
Niue | 8/5/2015 | empty sheet (#49893) | incomplete |
| - | |
Niue | 10/13/2015 | Niue and the First World War, sheet of 8 types | |
| - | |
Niue | 11/25/2015 | empty sheet (#61900) | incomplete |