| CEM, Comision de Expertos de Madrid (Prüferkommission) |
Sonstiges |
Michel |
27 |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
27 |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
27 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Michel |
27 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
27 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
27 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
27 a |
| NPC, National Philatelic Centre (Prüferkommission) |
Attest |
ACSC: Australien-Commonwealth-Spezialist-Katalog |
27 A |
