| The Philatelic Foundation, (Prüferkommission) |
Attest |
Michel |
9 IIF |
| Brunel, Robert (VP (Verband Philatelistischer Prüfer)) |
Befund |
Michel |
9 III |
| Veličković, Jovan (Sonstiges) |
Attest |
Michel |
9 III |
| Huylmans, Tobias (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
9 III a PF V |
| Zirath, Walter (Sonstiges) |
Attest |
Michel |
9 III xx |
| Veličković, Jovan (Sonstiges) |
Attest |
Michel |
9 III; 10 II |
| Krischke, Gerhard (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
9 IIIb/I |
| Krischke, Gerhard (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
9 K |
