| Soeteman, Corneille (Sonstiges) |
Attest |
COB / OBP / OCP |
150 - 163 |
| Baete, Jean (AIEP (Association internationale des experts en philatélie)) |
Attest |
COB / OBP / OCP |
16 - 23 |
| BCSC, Belgian Congo Study Circle (Arbeitsgemeinschaft) |
Attest |
COB / OBP / OCP |
19 |
| FNIP - Federation of, national and international stamp dealers (Prüferkommission) |
Attest |
COB / OBP / OCP |
2 |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) |
Attest |
COB / OBP / OCP |
226 |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) |
Attest |
COB / OBP / OCP |
226 |
| Lindekens, Philippe & Thomas (Sonstiges) |
Attest |
COB / OBP / OCP |
23 P |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) |
Attest |
COB / OBP / OCP |
234 |