| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
15 a |
| Scheller, Pascal (Sonstiges) |
Attest |
Stanley Gibbons |
15 c |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
15 c; 17 c; |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
150 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
150 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
152 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
153 |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
154 a |
