| Witschi, Hans (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) |
Attest |
Michel |
1 |
| Nielsen, Gunner Lundegaard (Sonstiges) |
Attest |
AFA |
1 |
| Möller, Carl Aage (AIEP (Association internationale des experts en philatélie)) |
Attest |
Facit |
10 - 18 |
| van Wowern, Eric (Sonstiges) |
Attest |
Michel |
120 |
| Nielsen, Lasse (Sonstiges) |
Attest |
Michel |
17-25 |
| Möller, Carl Aage (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
2 |
| Nielsen, Lasse (Sonstiges) |
Attest |
AFA |
20 a - 25 a |
| Jensen, Vagn (Sonstiges) |
Attest |
Michel |
20 I - 25 I |
