| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
39 |
| BPA, Expertising Limited (Prüferkommission) |
Sonstiges |
Scott |
39 a |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
39 e |
| KGVI-Expertising, (Prüferkommission) |
Sonstiges |
Stanley Gibbons |
397 a |
| CEM, Comision de Expertos de Madrid (Prüferkommission) |
Attest |
Edifil |
4 |
| CEM, Comision de Expertos de Madrid (Prüferkommission) |
Attest |
Edifil |
4 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Michel |
4 |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
4 |
