| Wigmore, Michael (Sonstiges) |
Attest |
Stanley Gibbons |
155 a |
| Ceremuga, Krzysztof (AIEP (Association internationale des experts en philatélie)) |
Attest |
Stanley Gibbons |
156 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
156 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
157 a |
| Diaz Paulos, Fausto (Sonstiges) |
Attest |
Stanley Gibbons |
159 a |
| Holcombe, Peter (Sonstiges) |
Sonstiges |
Stanley Gibbons |
16 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
16 |
| RPSL, Royal Philatelic Society of New Zealand (Prüferkommission) |
Attest |
Stanley Gibbons |
16 |
