| FNIP - Federation of, national and international stamp dealers (Prüferkommission) |
Attest |
COB / OBP / OCP |
2 |
| Soeteman, Corneille (Sonstiges) |
Attest |
Sonstige |
31 |
| Soeteman, Corneille (Sonstiges) |
Attest |
COB / OBP / OCP |
333 - 341 |
| Kaiser, Pierre (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
333 - 341 U |
| Kaiser, Pierre (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
333 - 341 U |
| Balasse, Willy (Sonstiges) |
Attest |
Michel |
34 b |
| FNIP - Federation of, national and international stamp dealers (Prüferkommission) |
Attest |
COB / OBP / OCP |
3609 |
| Soeteman, Corneille (Sonstiges) |
Attest |
COB / OBP / OCP |
363 - 374 |
