| Colla, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) |
Attest |
Sassone |
50 - 57 |
| Zanetti, Fiorenzo (AIEP (Association internationale des experts en philatélie)) |
Attest |
Sassone |
505; 499; 511 |
| Toselli, Roberto (Sonstiges) |
Attest |
Sassone |
51/I |
| Ernesto, Pagnoncelli (Sonstiges) |
Attest |
Sassone |
57 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Sassone |
57; 58 |
| Fiecchi, Alfredo Ermo (Sonstiges) |
Attest |
Sassone |
580/I |
| Wolf, Sigfrido (Sonstiges) |
Attest |
Sassone |
59 |
| Sirotti, Luigi (Händlergarantien) |
Attest |
Sassone |
6; 6 g |
