| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Michel |
115 a |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
120 b |
| Holcombe, Peter (Sonstiges) |
Sonstiges |
Stanley Gibbons |
16 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
16 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
17 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
89 d |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
89 k |
