| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
211 a |
| Knopke, Karl (Sonstiges) |
Attest |
Stanley Gibbons |
212 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
213 a |
| Holcombe, Peter (Sonstiges) |
Attest |
Stanley Gibbons |
216 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
217 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
217 a |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
22 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
22 |