| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 |
| Mehlmann, Volker (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 |
| Pfenninger, Franz (Sonstiges) |
Attest |
Michel |
4 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 |
| Hunziker, Hans (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
4 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 |
| Engel, Walter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 |
