| Diena, Alberto (Sonstiges) |
Attest |
Stanley Gibbons |
69 - 70 |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
69 a |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
69 b |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
7 |
| Philatelic Federation of South Africa, (Prüferkommission) |
Attest |
Stanley Gibbons |
7 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
7 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
7 |
| Fiecchi, Alfredo Ermo (Sonstiges) |
Attest |
Stanley Gibbons |
7 |