| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
142 a |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
142 a |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
145 - 158 |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Michel |
17 Abart |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
310 a |
| Hamilton-Bowen, Roy (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Scott |
48 |
| Hamilton-Bowen, Roy (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
74 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Scott |
93 |
