| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
24 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
24 |
| Holcombe, Peter (Sonstiges) |
Sonstiges |
Stanley Gibbons |
24 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
24 a |
| Ceremuga, Krzysztof (AIEP (Association internationale des experts en philatélie)) |
Attest |
Stanley Gibbons |
24 e |
| Gibbs, Robert M (Sonstiges) |
Attest |
Stanley Gibbons |
242 |
| Gibbs, Robert M (Sonstiges) |
Attest |
Stanley Gibbons |
242 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
245 |
