| The Philatelic Foundation, (Prüferkommission) |
Attest |
Michel |
|
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
1 a |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Michel |
17 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
3 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
39 e |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Michel |
59 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
60 a |