| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
39 e |
| KGVI-Expertising, (Prüferkommission) |
Sonstiges |
Stanley Gibbons |
397 a |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
4 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
ohne Angabe |
4 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
4 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
4 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
4 |
| CEM, Comision de Expertos de Madrid (Prüferkommission) |
Attest |
Edifil |
4 |
