| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
1 a |
| Pfenninger, Brettl, Schmidt (Prüferkommission) |
Attest |
Michel |
1 a II; 3 a |
| Pfenninger, Franz (Sonstiges) |
Attest |
Michel |
1 aI |
| Pfenninger, Franz (Sonstiges) |
Attest |
Michel |
1 b |
| Pfenninger, Franz (Sonstiges) |
Attest |
Michel |
1 b |
| Hunziker, Hans (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
1 b |
| Pfenninger, Franz (Sonstiges) |
Attest |
Michel |
1 b |
| Schmitt, Joh. Ulrich (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
1 b |
