| Michaux, Albert (Sonstiges) |
Attest |
COB / OBP / OCP |
|
| Kaiser, Pierre (AIEP (Association internationale des experts en philatélie)) |
Attest |
COB / OBP / OCP |
1 |
| Balasse, Willy (Sonstiges) |
Befund |
COB / OBP / OCP |
1 - V5 |
| Michaux, Albert (AIEP (Association internationale des experts en philatélie)) |
Attest |
COB / OBP / OCP |
1 e |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) |
Attest |
COB / OBP / OCP |
1 I |
| Kaiser, Pierre (AIEP (Association internationale des experts en philatélie)) |
Attest |
COB / OBP / OCP |
1 I |
| FNIP - Federation of, national and international stamp dealers (Prüferkommission) |
Attest |
COB / OBP / OCP |
10 |
| Balasse, Willy (Sonstiges) |
Befund |
COB / OBP / OCP |
10 A |
