| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
3 w |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
3 X 3 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
3; 15 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
3; 3 var |
| NPC, National Philatelic Centre (Prüferkommission) |
Attest |
Stanley Gibbons |
3; 4 c |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
3; 4; 7 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
30 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
30 |
