| Kastaun, Jürgen (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7 c |
| Wasels, Heinrich (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7 c |
| Jäschke-Lantelme, Michael (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7 c; 8 b |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Michel |
7; 20 |
| Wasels, Heinrich (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
8 a |
| Jäschke-Lantelme, Michael (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
8 a |
| Kraft, Jürgen (Sonstiges) |
Befund |
Michel |
8 a |
| Brettl, Maria (AIEP (Association internationale des experts en philatélie)) |
Kurzbefund |
Michel |
8 a |