| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
8 |
| Jackson, Mike (Sonstiges) |
Attest |
Stanley Gibbons |
8 |
| Jackson, Mike (Sonstiges) |
Attest |
Stanley Gibbons |
8 |
| Jackson, Mike (Sonstiges) |
Attest |
Stanley Gibbons |
8 |
| American Board, of Experts (Prüferkommission) |
Attest |
Stanley Gibbons |
8 |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
8 - 9 t |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
8 a |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
8 ab |
