| Brettl, Maria (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
22; 24; U 38 |
| Jäschke-Lantelme, Michael (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
22; 26 a |
| Brettl, Maria (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
22; 9; 21 |
| Mehlmann, Volker (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
22; NDP 9; 21 |
| Flemming, Wolfgang (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
23 |
| Brettl, Maria (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
23 |
| Jäschke-Lantelme, Michael (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
23 |
| Engel, Walter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
23; 24 |