| Diena, Enzo (Sonstiges) |
Attest |
Sassone |
11 c |
| Cardillo, Paolo (Sonstiges) |
Attest |
Sassone |
11 da |
| Biondi, Gino (Sonstiges) |
Attest |
Sassone |
113 - 115; 82 |
| Colla, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) |
Attest |
Sassone |
12 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Michel |
12 Abart |
| Fabris, Daniele (Sonstiges) |
Attest |
Sassone |
123 d; 124; 125 e; 12 d |
| Avi, Helmuth (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) |
Attest |
Michel |
1265 U |
| Bianchi, Ennio (Sonstiges) |
Attest |
Michel |
129 WZ |
