| Osper, Horst (Sonstiges) |
Attest |
Michel |
B 665; 1063; 1066; 1150 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Michel |
B 9 II |
| Ströh, Bodo (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
B I b |
| Ströh, Bodo (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
B I b |
| Busch, Horst (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
B Ib |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Michel |
Bhopal Dienst 3 |
| Koopman, Herman (AIEP (Association internationale des experts en philatélie)) |
Attest |
Michel |
BK 1 - BK 7 |
| Pieles, Roland (Sonstiges) |
Attest |
Michel |
Bl 1 |
