| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
1 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
1 |
| Gautré, Samuel (Sonstiges) |
Attest |
Stanley Gibbons |
1 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
1 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
1 a |
| Sismondo, Sergio (Sonstiges) |
Attest |
Stanley Gibbons |
1 a |
| Louis, Karl-Albert (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Stanley Gibbons |
1 b |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
1 b |
