| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
187 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
188 |
| Pinchot, S. & Daniel N. (Sonstiges) |
Attest |
Stanley Gibbons |
19 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
19 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
19 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
19 |
| Heddergott, Jochen (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Stanley Gibbons |
19 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
19 a |
