| Bothe, Hans (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
|
| Jäschke-Lantelme, Michael (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
|
| Steuer, Ronald F. (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
|
| Bothe, Hans (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
|
| Heschl, Gerald (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
|
| Robineau, J. &, Pothion, V. (Prüferkommission) |
Attest |
Michel |
|
| van der Linden, James (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
|
| Greis, Ortwin (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
|