| Gruber, Gunnar (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
28 II/VII |
| Gruber, Gunnar (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
28 II/VIII |
| Gruber, Gunnar (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
28 K |
| Mikulski, Zbigniew S. (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
28 K |
| Hey, Berend (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
28 K |
| Mikulski, Zbigniew S. (AIEP (Association internationale des experts en philatélie)) |
Befund |
Michel |
28 K |
| Gruber, Gunnar (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
28 K |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Michel |
28 K |
