| Huylmans, Tobias (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U 2 b; 20 b |
| Lange, Gertraud (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U 2 b; 20 b |
| Huylmans, Tobias (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U 4 |
| Lange, Gertraud (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U 4 |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Michel |
U 4 |
| Mehlmann, Volker (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U 4; 13 |
| Mehlmann, Volker (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U 4; 13 |
| Huylmans, Tobias (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U 5 |
