| Brettl, Maria (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
23 X a |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
23 X U |
| Brettl, Maria (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
23 X; 24 Y; |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Befund |
Michel |
23 X; 34 X |
| Brettl, Maria (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
23 X; NDP 16 |
| Brettl, Maria (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
23 Y |
| Sem, Peter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
23 Y |
| Sem, Peter (BPP (Bund Philatelistischer Prüfer)) |
Befund |
Michel |
23 Y |
