| Lindekens, Philippe & Thomas (Sonstiges) |
Attest |
COB / OBP / OCP |
25 P |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) |
Attest |
COB / OBP / OCP |
28 |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) |
Attest |
COB / OBP / OCP |
29 |
| Soeteman, Corneille (Sonstiges) |
Attest |
COB / OBP / OCP |
333 - 341 |
| Lindekens, Philippe & Thomas (Sonstiges) |
Attest |
COB / OBP / OCP |
36 L |
| FNIP - Federation of, national and international stamp dealers (Prüferkommission) |
Attest |
COB / OBP / OCP |
3609 |
| Soeteman, Corneille (Sonstiges) |
Attest |
COB / OBP / OCP |
363 - 374 |
| Kellens, Paul (Sonstiges) |
Attest |
COB / OBP / OCP |
37 |
