| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
6 |
| Sadri, Mehrdad (Sonstiges) |
Attest |
Scott |
6 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 KB 5 b |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 LB 11 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 LB 5 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 P5 |