| Oliva, Guglielmo (Sonstiges) |
Attest |
Michel |
4 a |
| Huylmans, Tobias (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
4193 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
5 |
| Lange, Carl H. (Sonstiges) |
Befund |
Michel |
5 |
| Huylmans, Tobias (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
5 a |
| Lange, Gertraud (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
5 a |
| Brettl, Maria (BPP (Bund Philatelistischer Prüfer)) |
Befund |
Michel |
5 a |
| Lange, Gertraud (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
5 a |