| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| BCSC, Belgian Congo Study Circle (Arbeitsgemeinschaft) | Attest | Scott | 18 a |
| BCSC, Belgian Congo Study Circle (Arbeitsgemeinschaft) | Attest | Yvert et Tellier | 30 |
| BCSC, Belgian Congo Study Circle (Arbeitsgemeinschaft) | Attest | Yvert et Tellier | 38 |
| BCSC, Belgian Congo Study Circle (Arbeitsgemeinschaft) | Attest | COB | 19 |
| Baete, Jean (AIEP (Association internationale des experts en philatélie)) | Attest | Michel | 26 |
| 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 |
| 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 |
| Lindkens, Philippe und Thomas (Sonstiges) | Attest | Michel | 5 II |
| Lindkens, Philippe und Thomas (Sonstiges) | Attest | Michel | 6 II |
| Michaux, Albert (AIEP (Association internationale des experts en philatélie)) | Attest | COB | 15 |
| Renon, G. (Sonstiges) | Attest | Yvert et Tellier | 185 - 191 |
| Tavano, Mario (Sonstiges) | Attest | COB | 5 |
| Tavano, Mario (Sonstiges) | Attest | COB | 13 |
| du Four, Jacques (Händlergarantien) | Attest | Yvert et Tellier | 94 a |
| 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 |
