| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
272 a |
| Gibbs, Robert M (Sonstiges) |
Attest |
Stanley Gibbons |
273 a |
| Gibbs, Robert M (Sonstiges) |
Attest |
Stanley Gibbons |
274 a |
| Gibbs, Robert M (Sonstiges) |
Attest |
Stanley Gibbons |
274 b |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
277 |
| Gibbs, Robert M (Sonstiges) |
Attest |
Stanley Gibbons |
277 |
| Gibbs, Robert M (Sonstiges) |
Attest |
Stanley Gibbons |
279 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
279 c |