| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
5; 6 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
50 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
50 a |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
51 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
51 d |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
51 g |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
51,275 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
52 |
