| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
217 a |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
39 |
| Heijtz, Stefan (Sonstiges) |
Attest |
Stanley Gibbons |
44 cw |
| Heijtz, Stefan (Sonstiges) |
Attest |
Stanley Gibbons |
46 DP |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
52 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
52 |
| Heijtz, Stefan (Sonstiges) |
Attest |
Stanley Gibbons |
60 - 65 DP |
