| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
3 a |
| Comex, (Prüferkommission) |
Attest |
Edifil |
3 b |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
3 b |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
3 B |
| Exfima, Comision de expertos (Prüferkommission) |
Attest |
Edifil |
3 b |
| Exfima, Comision de expertos (Prüferkommission) |
Attest |
Edifil |
3 b |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Michel |
3 b ZW |
| GPS, Germany Philatelic Society (Prüferkommission) |
Attest |
Michel |
3 Ba K |
