| Avi, Helmuth (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) |
Attest |
Sassone |
R 1 |
| Avi, Helmuth (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) |
Attest |
Sassone |
R 2 |
| Colla, Giorgio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) |
Attest |
Sassone |
S 1; S 2; P.A. 1+2 |
| Diena, Enzo (Sonstiges) |
Attest |
Sassone |
S 17 - 19 |
| Giordani, Giancarlo (Sonstiges) |
Attest |
Sassone |
S 5 |
| Diena, Enzo (Sonstiges) |
Attest |
Sassone |
S. 3 |
| Diena, Enzo (Sonstiges) |
Attest |
Sassone |
S.101b |
| Diena, Enzo (Sonstiges) |
Attest |
Sassone |
S.22 |
