| JFB, Philatélie (Händlergarantien) |
Attest |
Stanley Gibbons |
1 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Befund |
Michel |
13 a |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
37 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
37 |
| Sorani, Silvano (APFIP (Associazione Periti Filatelici Italiani Professioni.)) |
Prüfermitteilung |
Stanley Gibbons |
4 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
43 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
43 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
5 |
