| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| APS, American Philatelic Expertizing Service (Prüferkommission) | Attest | Scott | 18 A |
| APS, American Philatelic Expertizing Service (Prüferkommission) | Attest | Scott | 5 |
| BPA, (Prüferkommission) | Sonstiges | Scott | 3 |
| BPA, (Prüferkommission) | Sonstiges | Scott | 39 a |
| BPA, (Prüferkommission) | Sonstiges | Scott | 3 |
| Brandon, David Expert Committee (Prüferkommission) | Attest | Scott | 93 |
| Brandon, David Expert Committee (Prüferkommission) | Sonstiges | Scott | O 15 |
| Cilio, Sebastiano (Sonstiges) | Sonstiges | Scott | J 8 - 8 |
| Colomphil, (Prüferkommission) | Attest | Scott | C 37 |
| Diena, Enzo (Sonstiges) | Sonstiges | Scott | 1 |
| Diena, Enzo (Sonstiges) | Sonstiges | Scott | J 19 a |
| Diena, Enzo (Sonstiges) | Sonstiges | Scott | C 5 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 8 und 12 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | C 8 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | C 10 |
| Golfarini, Juan A. (Sonstiges) | Attest | Scott | 9 a |
| Hamilton-Bowen, Roy (BPP (Bund Philatelistischer Prüfer)) | Attest | Scott | 48 |
| Heister, Knut (VP (Verband Philatelistischer Prüfer)) | Attest | Scott | 4 d |
| Kaiser, Slavomir (Sonstiges) | Sonstiges | Scott | 1 |
| Karásek, Jan (AIEP (Association internationale des experts en philatélie)) | Sonstiges | Scott | B 19 a |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 18 a |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 20 a |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 23 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 445 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) | Attest | Scott | 453 |
| Mikulski, Zbigniew S. (AIEP (Association internationale des experts en philatélie)) | Attest | Scott | 23 b |
| Mikulski, Zbigniew S. (AIEP (Association internationale des experts en philatélie)) | Attest | Scott | 43 a |
| Mikulski, Zbigniew S. (AIEP (Association internationale des experts en philatélie)) | Attest | Scott | 11 |
| Moorhouse, Brian (Sonstiges) | Attest | Scott | 2 |
| Odenweller, Robert P. (AIEP (Association internationale des experts en philatélie)) | Attest | Scott | 15 f |
| PSE, Professional Stamps Experts (Prüferkommission) | Sonstiges | Scott | 2 |
| PSE, Professional Stamps Experts (Prüferkommission) | Sonstiges | Scott | 14 |
| PSE, Professional Stamps Experts (Prüferkommission) | Sonstiges | Scott | 19 |
| PSE, Professional Stamps Experts (Prüferkommission) | Sonstiges | Scott | 233 a |
| PSE, Professional Stamps Experts (Prüferkommission) | Sonstiges | Scott | 449 |
| PSE, Professional Stamps Experts (Prüferkommission) | Sonstiges | Scott | 498 b |
| PSE, Professional Stamps Experts (Prüferkommission) | Sonstiges | Scott | 594 |
| PSE, Professional Stamps Experts (Prüferkommission) | Sonstiges | Scott | 1727 |
| Pyznar, Richard (Sonstiges) | Sonstiges | Scott | 19 |
| Robineau, J. (Sonstiges) | Attest | Scott | C 2 |
| Scheller, Pascal (Sonstiges) | Attest | Scott | C 9 |
| Sismondo, Sergio (Sonstiges) | Sonstiges | Scott | 3 |
| Sismondo, Sergio (Sonstiges) | Attest | Scott | 140-143 |
| Sismondo, Sergio (Sonstiges) | Attest | Scott | C2 |
| Sismondo, Sergio (Sonstiges) | Attest | Scott | 14 (12) |
| Sorani, Silvano (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Sonstiges | Scott | J 19 a |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 4 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 10 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | J13 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 22 |
