| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
3 d |
| Pfenninger, Brettl, Schmidt (Prüferkommission) |
Attest |
Michel |
3 F |
| Brettl, Schmitt (Prüferkommission) |
Attest |
Michel |
3 III |
| Brettl, Schmitt (Prüferkommission) |
Attest |
Michel |
3 III; 6 a |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Michel |
3 K |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
3 L 2a |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
3 LB 1 |
| CEM, Comision de Expertos de Madrid (Prüferkommission) |
Attest |
Edifil |
3 s |
