| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
42/II |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
425 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
43 |
| Siam Stamp, Expert Committee (Prüferkommission) |
Attest |
Michel |
43 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
43 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
43 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
43 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
43 |
