| Knopke, Karl (Sonstiges) |
Attest |
Stanley Gibbons |
101 |
| Scheller, Pascal (Sonstiges) |
Attest |
Yvert et Tellier |
104 |
| Caffaz, Egidio (APFIP (Associazione Periti Filatelici Italiani Professioni.)) |
Attest |
Yvert et Tellier |
104 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
117 a |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
154 a |
| Sismondo, Sergio (Sonstiges) |
Attest |
Stanley Gibbons |
2 aa |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
28 |
| Goller, Arnold (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
5 I a |
