| Holcombe, Peter (Sonstiges) |
Attest |
Stanley Gibbons |
2; 2 H |
| Stanley Gibbons, Limited (Händlergarantien) |
Attest |
Stanley Gibbons |
2; 3 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
2; 3; 4 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
20 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
20 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
20 |
| Ceremuga, Krzysztof (AIEP (Association internationale des experts en philatélie)) |
Sonstiges |
Stanley Gibbons |
20 |
| Scheller, Pascal (Sonstiges) |
Attest |
Stanley Gibbons |
20 |