| Raybaudi, Experts (Prüferkommission) |
Attest |
Scott |
3 |
| Experts, Philatelic (PE) (Prüferkommission) |
Attest |
Michel |
3 |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
3 + 497 |
| Gummesson, Rolf und Per (Prüferkommission) |
Attest |
Michel |
3 A |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
3 a |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
3 a |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
3 a |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
3 a |
