| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| Helbig, Joachim (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 37 a |
| Helbig, Joachim (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 105 IU; 106 IU |
| Helbig, Joachim (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 107 IU |
| Helbig, Joachim (BPP (Bund Philatelistischer Prüfer)) | Kurzbefund | Michel | 39 b |
| Helbig, Joachim (BPP (Bund Philatelistischer Prüfer)) | Kurzbefund | Michel | 70 y |
| Helbig, Joachim (BPP (Bund Philatelistischer Prüfer)) | Kurzbefund | Michel | 90 II |
| Helbig, Joachim (BPP (Bund Philatelistischer Prüfer)) | Kurzbefund | Michel | 107 I U |
| Helbig, Joachim (BPP (Bund Philatelistischer Prüfer)) | Kurzbefund | Michel | 137 c |
| Helbig, Joachim (BPP (Bund Philatelistischer Prüfer)) | Kurzbefund | Michel | 163 A |
| Helbig, Joachim (BPP (Bund Philatelistischer Prüfer)) | Kurzbefund | Michel | 164 A |
| Holcombe, Peter (Sonstiges) | Sonstiges | Michel | 1 Ia |
| Hunziker, Hans (AIEP (Association internationale des experts en philatélie)) | Attest | Michel | 18; 23 |
| Hunziker, Hans (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) | Attest | Michel | 4 I |
| Hunziker, Hans (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) | Attest | Zumstein | 1 II |
| Hunziker, Hans (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) | Kurzbefund | Michel | 1 a |
| Köhler, Heinrich (Händlergarantien) | Befund | Michel | 10 |
| Lange, Carl H. (Sonstiges) | Attest | Michel | 1 I a |
| Lange, Carl H. (Sonstiges) | Befund | Michel | 4 II ZW |
| Müller-Mark, Ewald (Sonstiges) | Attest | Michel | 9 a ZW; 9 a |
| Pfenninger, Brettl, Schmidt (Prüferkommission) | Attest | Michel | 1 a |
| Pfenninger, Brettl, Schmidt (Prüferkommission) | Attest | Michel | 1 a II; 3 a |
| Pfenninger, Brettl, Schmidt (Prüferkommission) | Attest | Michel | 1 a |
| Pfenninger, Brettl, Schmidt (Prüferkommission) | Attest | Michel | 10 |
| Pfenninger, Brettl, Schmidt (Prüferkommission) | Attest | Michel | 15 |
| Pfenninger, Brettl, Schmidt (Prüferkommission) | Attest | Michel | 15 |
| Pfenninger, Brettl, Schmidt (Prüferkommission) | Prüfermitteilungen | Michel | 1 b |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 II a |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 a |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 b |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 b |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 b |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 a |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 a |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 a |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 aI |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 a |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 II |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 1 b |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 3 a |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 6 |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 9 a ZW; 9 a |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 26 y |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 33; 36 |
| Pfenninger, Franz (Sonstiges) | Attest | Michel | 50 H |
| Pfenninger, Franz (Sonstiges) | Befund | Michel | 9 a |
| Pfenninger, Franz (Sonstiges) | Befund | Michel | 33; 36 |
| Pfenninger, Franz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 Ia |
| Pfenninger, Franz (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 1 IIa |
| Pfenninger, Franz (BPP (Bund Philatelistischer Prüfer)) | Befund | Michel | 1 Ia |
