| 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 |
| Möller, Carl Aage (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 |
| Möller, Carl Aage (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 |
| Sem, Peter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 |
| Sem, Peter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4 |
