| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| Buchsbayew, Paul (AIEP (Association internationale des experts en philatélie)) | Attest | Scott | 81 |
| Buchsbayew, Paul (AIEP (Association internationale des experts en philatélie)) | Attest | Scott | 109 |
| Cilio, Sebastiano (Sonstiges) | Sonstiges | Scott | J 8 - 8 |
| Colla Asinelli, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Scott | 6 |
| Colomphil, (Prüferkommission) | Attest | Scott | C 37 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 42 L 2 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 5 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 19 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 21 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 23 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 28 A |
| Crowe, William T. (Sonstiges) | Attest | Scott | 31 |
| Crowe, William T. (Sonstiges) | Attest | Scott | J60 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 137 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 183 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 211 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 238 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 526 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 581 |
| Crowe, William T. (Sonstiges) | Attest | Scott | 651 |
| Dahnke, Kurt H. (BPP (Bund Philatelistischer Prüfer)) | Attest | Scott | 8 |
| Dias, Paulo A.P. (Sonstiges) | Attest | Scott | 3 a |
| Diena, Enzo (Sonstiges) | Sonstiges | Scott | 1 |
| Diena, Enzo (Sonstiges) | Sonstiges | Scott | J 19 a |
| Diena, Enzo (Sonstiges) | Sonstiges | Scott | C 5 |
| Diena, Enzo (Sonstiges) | Attest | Scott | 2 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Scott | 449 PI |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Scott | 506 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Scott | 120 a |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Scott | 3 b |
| Experts &, Consultants Limited (Prüferkommission) | Attest | Scott | 237 a |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 6; 7 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 25 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 15 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 1 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 3 a |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 32 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 20 a |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 62 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 2 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 8 und 12 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 1300 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | Q 9 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 209 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 14 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | C 8 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | C 10 |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | C 5 |
| Fuller, Perry W. (Händlergarantien) | Attest | Scott | 2 XU 1 |
| Golfarini, Juan A. (Sonstiges) | Attest | Scott | 9 a |
