| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Befund |
Michel |
U12; 19 a |
| Brettl, Maria (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
U13 A/2 |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U13; 24 |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U14 |
| Gärtner, Sebastian (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U16 IA; 34 IA |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U1A; 10 b; 11 b |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U1A; 11 a |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
U1A; 18 |