| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
2 |
| The Philatelic Foundation, (Prüferkommission) |
Sonstiges |
Scott |
2 |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
2 |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
2 |