| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
62 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
62 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
62 |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Scott |
62 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
62 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
62 c |
| Philatelic Federation of South Africa, (Prüferkommission) |
Sonstiges |
Stanley Gibbons |
62 c |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
62 X 3 |