| Weiss jr., William R. (Sonstiges) |
Attest |
Scott |
10 |
| Weiss jr., William R. (Sonstiges) |
Attest |
Scott |
10 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
10 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
10 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
10 X 1 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
10 X 1 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
10 X 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
10 X 1 |
