| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
16 a |
| FSPL, Fédération des sociétés phil. luxembourg (Prüferkommission) |
Attest |
Michel |
16 b (5); 17 a und 20 b |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
16 e |
| Von der Weid, Alain, Marchand, Jean-Claude (Prüferkommission) |
Attest |
Zumstein |
16 II |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
16; 18 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
160 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
160 b |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
161 b |
