| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
4 b |
| Holcombe, Peter (Sonstiges) |
Attest |
Stanley Gibbons |
4 bb |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
4; 3 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
40 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
40 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
40 |
| Sismondo, Sergio (Sonstiges) |
Attest |
Stanley Gibbons |
40 |
| Wallner, Ferdinand (AIEP (Association internationale des experts en philatélie)) |
Attest |
Stanley Gibbons |
40 |
