| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
3 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Sonstiges |
Scott |
3 |
| The Lutz, Committee Ltd. (Prüferkommission) |
Attest |
Michel |
3 |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
3 + 497 |
| Gummesson, Rolf und Per (Prüferkommission) |
Attest |
Michel |
3 A |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
3 a |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
3 a |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Michel |
3 a |
