| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Scott |
1 |
| Moorhouse, Brian (Sonstiges) |
Attest |
Scott |
1 |
| Kaiser, Slavomir (Sonstiges) |
Sonstiges |
Scott |
1 |
| PSAG (Philatelic Stamp, Authetication and Grading) (Prüferkommission) |
Attest |
Scott |
1 |
| The Philatelic Foundation, (Prüferkommission) |
Sonstiges |
Scott |
1 |
| Diena, Enzo (Sonstiges) |
Sonstiges |
Scott |
1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
1 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
1 |
