| Brettl, Schmitt (Prüferkommission) |
Attest |
Michel |
25 x; 23 y |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
250 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
250 |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
252; 255; 257; 259; 260; A 12; 14/16 |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
255 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
255 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
256 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
256 b |
