| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
19 a |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
19 ac |
| Holcombe, Peter (Sonstiges) |
Sonstiges |
Stanley Gibbons |
19 b; 3; 27 a |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
19 b; 3; 27 a |
| Sydney Philatelic Research, Drury, Michael (Sonstiges) |
Sonstiges |
Stanley Gibbons |
19 Eba(2)da |
| Scheller, Pascal (Sonstiges) |
Attest |
Stanley Gibbons |
19 i |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
19 m |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
191 |
