| Hawaiian, Philatelic Society (Prüferkommission) |
Attest |
Scott |
6 |
| Von der Weid, Alain, Marchand, Jean-Claude (Prüferkommission) |
Attest |
Zumstein |
6 |
| Von der Weid, Alain, Marchand, Jean-Claude (Prüferkommission) |
Attest |
Zumstein |
6 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
6 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
6 |
