| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
52 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
52 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
52 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
52 |
| Odenweller, Robert P. (AIEP (Association internationale des experts en philatélie)) |
Attest |
Stanley Gibbons |
52 |
| MacDonnell, David (Sonstiges) |
Attest |
Stanley Gibbons |
52 a |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
52 h |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
53 |
