| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
285 ab |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
29 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
29 a |
| FSPL, Fédération des sociétés phil. luxembourg (Prüferkommission) |
Attest |
Prifix/Yvert |
29 und 42 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
290 c |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
295 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
295 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
297 |
