| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
39 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
39 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
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 |
