| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| BCSC, Belgian Congo Study Circle (Arbeitsgemeinschaft) | Attest | COB | 19 |
| Baete, Jean (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 117 |
| Baete, Jean (AIEP (Association internationale des experts en philatélie)) | Attest | COB | CP 4 |
| Baete, Jean (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 12 |
| Baete, Jean (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 16 - 23 |
| Balasse, Willy (Sonstiges) | Befund | COB | 1 - V5 |
| Balasse, Willy (Sonstiges) | Befund | COB | 10 A |
| Balasse, Willy (Sonstiges) | Befund | COB | 38 - 41 |
| Kaiser, Pierre (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 1 I |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | CP 2 |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | CP 4 |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | 5 |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | 5 |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | 5 |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | 11 |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | 13 |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | 23 P |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | 25 P |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | 36 L |
| Lindekens, Philippe & Thomas (Sonstiges) | Attest | COB | 37L |
| Michaux, Albert (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 1 e |
| Michaux, Albert (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 53 - 67 |
| Michaux, Albert (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 15 |
| Michaux, Albert (Sonstiges) | Attest | COB | 8 |
| Michaux, Albert (Sonstiges) | Attest | COB | 48 |
| Michaux, Albert (Sonstiges) | Attest | COB | |
| Soeteman, Corneille (Sonstiges) | Attest | COB | 12 |
| Soeteman, Corneille (Sonstiges) | Attest | COB | 333 - 341 |
| Soeteman, Corneille (Sonstiges) | Attest | COB | 435 Aa |
| Tavano, Mario (Sonstiges) | Attest | COB | 5 |
| Tavano, Mario (Sonstiges) | Attest | COB | 13 |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 1 I |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) | Attest | COB | CP 2 |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 105 A |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 226 |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 226 |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 234 |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 9 - 15 A |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 28 |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 29 |
