| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
191 |
| Holcombe, Peter (Sonstiges) |
Attest |
Stanley Gibbons |
2 |
| Kaufmann, Jacques (Sonstiges) |
Attest |
Stanley Gibbons |
2 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| Jackson, Mike (Sonstiges) |
Attest |
Stanley Gibbons |
2 |
| Salomon, Heinrich (Sonstiges) |
Attest |
Stanley Gibbons |
2 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
