| The Philatelic Foundation, (Prüferkommission) |
Attest |
Michel |
9 |
| CEM, Comision de Expertos de Madrid (Prüferkommission) |
Attest |
Edifil |
9 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Michel |
9 |
| EFM, Expertización Filatélica de Madrid (Prüferkommission) |
Attest |
Edifil |
9 - 24 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
9 a |
| Experts, Philatelic (PE) (Prüferkommission) |
Attest |
Michel |
9 a |
| Nucleo Filatelico, . (Prüferkommission) |
Attest |
Michel |
9 b |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Michel |
9 I a |
