| Bühler, Georg (Sonstiges) |
Attest |
Stanley Gibbons |
2 |
| Ceremuga, Krzysztof (AIEP (Association internationale des experts en philatélie)) |
Sonstiges |
Stanley Gibbons |
2 |
| Ceremuga, Krzysztof (Sonstiges) |
Attest |
Stanley Gibbons |
2 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| Ceremuga, Krzysztof (Sonstiges) |
Attest |
Stanley Gibbons |
2 |
