| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
313 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
32 |
| Nucleo Filatelico, . (Prüferkommission) |
Attest |
AFINSA |
32 |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Scott |
32 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
32 |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
32 a |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
32 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
32 a |
