| PSE, Professional Stamp Experts (Prüferkommission) |
Attest |
Scott |
689 |
| 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 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Yvert et Tellier |
7 |
| Comex, (Prüferkommission) |
Attest |
Edifil |
7 |
| Comex, (Prüferkommission) |
Attest |
Edifil |
7 |
| Comex, (Prüferkommission) |
Attest |
Edifil |
7 |
