| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 12 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 12 |
| Weiss jr., William R. (Sonstiges) | Attest | Scott | 12 |
| Moorhouse, Brian (Sonstiges) | Attest | Scott | 13 |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | 13 |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | 13 |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | C 13 |
| Scheller, Pascal (Sonstiges) | Attest | Scott | 13 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | J13 |
| The Philatelic Foundation, (Prüferkommission) | Sonstiges | Scott | 13 a |
| APS, (American Philatelic Society) (Prüferkommission) | Attest | Scott | 14 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 14 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 14 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 14; 37 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 14; 37 |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | 14 |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | C 14 |
| PSE, Professional Stamp Experts (Prüferkommission) | Sonstiges | Scott | 14 |
| Raybaudi, Experts (Prüferkommission) | Attest | Scott | 14 |
| Sismondo, Sergio (Sonstiges) | Attest | Scott | 14 (12) |
| Brandon, David Expert Committee (Prüferkommission) | Sonstiges | Scott | O 15 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 15 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 15; 17 |
| Odenweller, Robert P. (AIEP (Association internationale des experts en philatélie)) | Attest | Scott | 15 f |
| PSE, Professional Stamp Experts (Prüferkommission) | Attest | Scott | C 15 |
| APS, (American Philatelic Society) (Prüferkommission) | Attest | Scott | 16 e |
| Hawaiian, Philatelic Society (Prüferkommission) | Attest | Scott | 16 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | N 16 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Scott | C 17; C 23 |
| APS, (American Philatelic Society) (Prüferkommission) | Attest | Scott | 18 A |
| BCSC, Belgian Congo Study Circle (Arbeitsgemeinschaft) | Attest | Scott | 18 a |
| Hawaiian, Philatelic Society (Prüferkommission) | Attest | Scott | 18 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 18 a |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 18 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 19 |
| Diena, Enzo (Sonstiges) | Sonstiges | Scott | J 19 a |
| Gratton, Richard (AIEP (Association internationale des experts en philatélie)) | Attest | Scott | 19 a |
| Karásek, Jan (AIEP (Association internationale des experts en philatélie)) | Sonstiges | Scott | B 19 a |
| PSE, Professional Stamp Experts (Prüferkommission) | Sonstiges | Scott | 19 |
| Pyznar, Richard (Sonstiges) | Sonstiges | Scott | 19 |
| Sorani, Silvano (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Sonstiges | Scott | J 19 a |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | C 19 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 19 |
| The Philatelic Foundation, (Prüferkommission) | Sonstiges | Scott | 19 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 20 a |
| Hawaiian, Philatelic Society (Prüferkommission) | Attest | Scott | 20 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 20 a |
| Berezowski, Alexander (Sonstiges) | Attest | Scott | OX21 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 21 |
| Moorhouse, Brian (Sonstiges) | Attest | Scott | 21; 24 |
