| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
7 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
7 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
7 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
7 a |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
7 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
7 B |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
7 b |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
7 b; 7 |
