| Hunziker, Hans (AIEP (Association internationale des experts en philatélie)) |
Attest |
Zumstein |
1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
1 a |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
1 a |
| Bühler, Georg (Sonstiges) |
Attest |
Michel |
1 a |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) |
Kurzbefund |
Michel |
1 a |
| Pfenninger, Franz (BPP (Bund Philatelistischer Prüfer)) |
Befund |
Michel |
1 a |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
1 a; 6; U 1A |
| Jäschke-Lantelme, Michael (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
1 b |