| Tseriotis, Michael (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
2 a; 7; 12 Ia; 13 Ia |
| Simmermacher, René (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
21 I |
| Simmermacher, René (BPP (Bund Philatelistischer Prüfer)) |
Befund |
Michel |
3 |
| Simmermacher, René (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
39 a; 40 a und 42 e |
| Simmermacher, René (BPP (Bund Philatelistischer Prüfer)) |
Befund |
Michel |
4 |
| Avanzo, Giacomo (Sonstiges) |
Attest |
Sassone |
4 |
| Avanzo, Giacomo (Sonstiges) |
Attest |
Sassone |
5 |
| Mentaschi, Mario (Sonstiges) |
Attest |
Michel |
5; 6; 11; 12 |
