| Sem, Peter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
18; 39 |
| Wilderbeek, Hans (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
18; A 1 I |
| Wilderbeek, Hans (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
18; A 1I |
| Wilderbeek, Hans (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
18; A1 III |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
18; NDP 4 |
| Wilderbeek, Hans (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
18; U 5 b A |
| Wilderbeek, Hans (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
18; U 9A |
| Wilderbeek, Hans (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
18; U7 aA |
