| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
23 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
23 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
23 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
23 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
23 |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
23 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
23 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
23 |
