| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| de Morant, Gérard (Sonstiges) | Sonstiges | Michel | |
| van der Linden, James (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | |
| van der Vlist, Hendrik Willem. (Sonstiges) | Attest | Michel | |
| von Steiden, Georg (Sonstiges) | Attest | Michel | nicht katalogisiert |
| Šedivý, Václav (Sonstiges) | Attest | Michel | I VV |
| Šedivý, Václav (Sonstiges) | Attest | Michel | |
| APS, (American Philatelic Society) (Prüferkommission) | Attest | Michel | 1 |
| Alcuri, Paul J. (Sonstiges) | Attest | Michel | 1 |
| Alcuri, Paul J. (Sonstiges) | Attest | Michel | 1 |
| Andersen, Hans (Sonstiges) | Attest | Michel | 1 a |
| Arctander, Steffen (Sonstiges) | Attest | Michel | 1 |
| Arenz, Hartmut (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 I |
| Arenz, Hartmut (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 - 2 x |
| Arenz, Hartmut (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | SZ 1-2 x |
| Avi, Helmuth (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) | Attest | Michel | 1 a K |
| BPA, Expertising Limited (Prüferkommission) | Attest | Michel | 1 II DK |
| BPA, Expertising Limited (Prüferkommission) | Attest | Michel | 1 I - 5 I; 7 I; 9 I |
| BPA, The British Philatelic Association Limit (Prüferkommission) | Attest | Michel | 1 II |
| Babor, Gerhard (VÖB (Verband Österreichischer Briefmarkenprüfer)) | Befund | Michel | 1 Y |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 1 I c; 2 I b; 5 I da |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 1 II |
| Barth, Norbert (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 1 |
| Baschwitz, German (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | Block 1 b |
| Baschwitz, German (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 II |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 a |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | U 1 A; 4 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1; U 6 I |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1; 2 b; 3 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | U 1 A |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 a; 6; U 1A |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 1 |
| Berger, Florian (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 1 |
