| Baete, Jean (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
26 |
| BCSC, Belgian Congo Study Circle (Arbeitsgemeinschaft) |
Attest |
Yvert et Tellier |
30 |
| Lindekens, Philippe & Thomas (Sonstiges) |
Attest |
COB / OBP / OCP |
36 L |
| Lindekens, Philippe & Thomas (Sonstiges) |
Attest |
COB / OBP / OCP |
37L |
| BCSC, Belgian Congo Study Circle (Arbeitsgemeinschaft) |
Attest |
Yvert et Tellier |
38 |
| Tavano, Mario (Sonstiges) |
Attest |
COB / OBP / OCP |
5 |
| Lindekens, Philippe & Thomas (Sonstiges) |
Attest |
COB / OBP / OCP |
5 |
| Lindekens, Philippe & Thomas (Sonstiges) |
Attest |
COB / OBP / OCP |
5 |
