| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
5 a var |
| Verein für Briefmarkenkunde, von 1885 Mainz (Prüferkommission) |
Attest |
Michel |
5 b |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
5 b |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
5 b var |
| GPS, Germany Philatelic Society (Prüferkommission) |
Attest |
Michel |
5 Ba K |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
5 d |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
5 d |
| Vincent Graves Greene, Philatelic Research Foundation (Prüferkommission) |
Attest |
Sonstige |
5 E-A |