| Bühler, Georg (Sonstiges) |
Attest |
Stanley Gibbons |
2 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
221 e |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
27 |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
27 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
290 c |
| Bühler, Georg (Sonstiges) |
Attest |
Stanley Gibbons |
3 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
309 b |
| Holcombe, Peter (Sonstiges) |
Attest |
Stanley Gibbons |
39 |
