| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
42 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
49 |
| Heddergott, Jochen (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
5 |
| Heddergott, Jochen (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Michel |
5 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
51 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
54a var |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
56 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
576 |
