| Ceremuga, Krzysztof (Sonstiges) |
Attest |
Michel |
16 g DD |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Michel |
16 II f |
| Holcombe, Peter (Sonstiges) |
Attest |
Michel |
16; Neuguinea 12 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
17 c |
| Scheller, Pascal (Sonstiges) |
Attest |
Stanley Gibbons |
17 e |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
17 e |
| Scheller, Pascal (Sonstiges) |
Attest |
Stanley Gibbons |
17 e |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
19 a |
