| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
29 a |
| Holcombe, Peter (Sonstiges) |
Attest |
Stanley Gibbons |
29; 30; 21 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
290 c |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
297 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
3 |
| Ceremuga, Krzysztof (Sonstiges) |
Attest |
Stanley Gibbons |
3 |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
3 |
| Diaz Paulos, Fausto (Sonstiges) |
Attest |
Stanley Gibbons |
3 |