| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
181 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
186 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
187 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
188 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Yvert et Tellier |
19 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
19 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
19 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
19 |
