| Petry, Claus (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7A |
| Wilderbeek, Hans (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7a HI; 9 b |
| Wasels, Heinrich (BPP (Bund Philatelistischer Prüfer)) |
Befund |
Michel |
7x |
| Kunz, Jens-R. (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7x U1 |
| vander Marcken, Luc (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
8 |
| Sem, Peter (BPP (Bund Philatelistischer Prüfer)) |
Kurzbefund |
Michel |
8 |
| Diena, Enzo (Sonstiges) |
Attest |
Michel |
8 |
| Krenz, Ralf (Sonstiges) |
Befund |
Michel |
8 |
