| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Sassone | SD |
| Cardillo, Paolo (Sonstiges) | Attest | Sassone | A S I |
| Avanzo, Giacomo (Sonstiges) | Attest | Sassone | 1; 5 AA |
| Avi, Helmuth (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) | Attest | Sassone | 1 f |
| Avi, Helmuth (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) | Attest | Sassone | 1 d |
| Avi, Helmuth (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) | Attest | Sassone | 1; 3 b |
| Avi, Helmuth (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) | Attest | Sassone | 1 |
| Avi, Helmuth (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) | Attest | Sassone | R 1 |
| Behr, Pascal (AIEP (Association internationale des experts en philatélie)) | Attest | Sassone | 1a |
| Bolaffi, Giulio (Sonstiges) | Attest | Sassone | 1 a |
| Bottacchi, Giacomo (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1 |
| Bottacchi, Giacomo (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1 |
| Bottacchi, Giacomo (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1 |
| Bottacchi, Giacomo (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1 a |
| Bottacchi, Giacomo (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1; 10 |
| Cardillo, Paolo (Sonstiges) | Attest | Sassone | 1 o |
| Cardillo, Paolo (Sonstiges) | Attest | Sassone | 1 c |
| Cilio, Sebastiano (Sonstiges) | Attest | Sassone | 1 - 9 |
| Colla Asinelli, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1 - 2 |
| Colla Asinelli, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1; 2; 3 |
| Colla, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | S 1; S 2; P.A. 1+2 |
| Colla, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1i; 21; 22 |
| Colla, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1 g |
| Colla, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1 a |
| Colla, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1 e |
| Colla, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1 |
| Colla, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) | Attest | Sassone | 1 |
| Diena, Alberto (Sonstiges) | Attest | Sassone | 1 a |
| Diena, Enzo (Sonstiges) | Attest | Sassone | 1 s |
| Diena, Enzo (Sonstiges) | Attest | Sassone | 1 a; 2 b |
| Diena, Enzo (Sonstiges) | Attest | Sassone | 1 |
| Diena, Enzo (Sonstiges) | Attest | Sassone | 1 a |
| Diena, Enzo (Sonstiges) | Attest | Sassone | 1 a |
| Diena, Enzo (Sonstiges) | Attest | Sassone | 1 - 4 |
| Diena, Enzo (Sonstiges) | Attest | Sassone | 1 - 21 |
| Diena, Enzo (Sonstiges) | Attest | Sassone | 1 a |
| Diena, Enzo (Sonstiges) | Attest | Sassone | 1 a; 4 |
| Diena, Enzo (Sonstiges) | Kurzbefund | Sassone | 1 a |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Sassone | 1 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Sassone | 1 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Sassone | 1 a |
| Ferrario, Filippo (Händlergarantien) | Attest | Sassone | 1 - 9 |
| Ferrario, Filippo (Händlergarantien) | Attest | Sassone | 1 - 17 |
| Ferrario, Filippo (Händlergarantien) | Attest | Sassone | 1 ab |
| Ferrario, Filippo (Händlergarantien) | Attest | Sassone | 1 |
| Fiecchi, Alfredo Ermo (Sonstiges) | Attest | Sassone | 1 |
| Fiecchi, Alfredo Ermo (Sonstiges) | Attest | Sassone | 1 |
| Gazzi, Luigi (Sonstiges) | Attest | Sassone | 1 |
| Ghiglione, Piero (Sonstiges) | Attest | Sassone | 1 f |
| Manzoni, Massimo (Sonstiges) | Attest | Sassone | 1 a + 8 |
