| van der Linden, James (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7; 4 II |
| Sem, Peter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7; 4 II2; 2 II5 |
| Brettl, Maria (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
7; 4II/3; |
| Sem, Peter (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7; 5 c; 2 II |
| Brettl, Maria (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7; 5 d |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7; 5 d III |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7; 5 dIII |
| Stegmüller, Franz (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
7; 5 dIII |