| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
109 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
109 c |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
11 |
| Danske filatelisters, Provningsudvalg (Prüferkommission) |
Attest |
AFA |
11 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Sassone |
11 |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
11 |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
11 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
11 |
