| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
89 L 1 |
| Sadri, Mehrdad (Sonstiges) |
Attest |
Scott |
896 var |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Scott |
9 |
| Gratton, Richard (AIEP (Association internationale des experts en philatélie)) |
Attest |
Scott |
9 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
9 |
| Jakubek, Wolfgang (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Scott |
9 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
9 |
| Gratton, Richard (AIEP (Association internationale des experts en philatélie)) |
Attest |
Scott |
9 |
