| Sorani, Silvano (APFIP (Associazione Periti Filatelici Italiani Professioni.)) |
Attest |
Sassone |
103/III |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Michel |
21 |
| Carraro, Diego (Sonstiges) |
Attest |
Sassone |
28 |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
38; 40; 43 |
| Bolaffi, Giulio (Sonstiges) |
Attest |
Bolaffi |
69 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Michel |
78 - 80 |
| Raybaudi, Maurizio (Sonstiges) |
Sonstiges |
Michel |
79 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Sassone |
79 |
