| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
32 |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
32 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
32 a |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
32 a |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
323 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
33 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
33 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
33 |
