| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
109 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
11 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
11 |
| Holcombe, Peter (Sonstiges) |
Attest |
Scott |
11 |
| Hellrigl, Wolfgang C. (Sonstiges) |
Attest |
Scott |
11 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
11 |
| Mikulski, Zbigniew S. (AIEP (Association internationale des experts en philatélie)) |
Attest |
Scott |
11 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
11 c |
