| Behr, Bernard und Pascal (AIEP (Association internationale des experts en philatélie)) |
Attest |
Stanley Gibbons |
6 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
6 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
6 |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
6 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
6 |
| Sorani, Silvano (APFIP (Associazione Periti Filatelici Italiani Professioni.)) |
Attest |
Stanley Gibbons |
6 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
6 a |
| RPSL, Royal Philatelic Society of New Zealand (Prüferkommission) |
Attest |
Stanley Gibbons |
6 A |
