| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
4 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
4 |
| Weiss jr., William R. (Sonstiges) |
Attest |
Scott |
4 |
| Sismondo, Sergio (Sonstiges) |
Attest |
Scott |
4 |
| Heister, Knut (VP (Verband Philatelistischer Prüfer)) |
Attest |
Scott |
4 d |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
4 LB 21 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
40 L 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
40 L 1 |
