| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
10 X 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
10 X 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
10 x 1 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
10 X 1 TC |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
10 X 2 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
10 X 2 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
10 XI TC |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Michel |
10; 13; 15 c |
