| Gmach, Gertlieb Josef (AIEP (Association internationale des experts en philatélie)) |
Kurzbefund |
Michel |
10 Ix |
| Heimbüchler, Fritz (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
10 Ix |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
12 |
| Pascanu, Leonard (Sonstiges) |
Attest |
Michel |
13 |
| Pascanu, Leonard (Sonstiges) |
Attest |
Michel |
13 |
| Pascanu, Leonard (Sonstiges) |
Attest |
Michel |
18 |
| Birnbach, Heinrich (Sonstiges) |
Attest |
Michel |
2 |
| Gmach, Gertlieb Josef (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
2 |
