| BW, Brusden-White (Sonstiges) |
Attest |
Scott |
228 ca |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
230 da |
| NPC, National Philatelic Centre (Prüferkommission) |
Attest |
ACSC: Australien-Commonwealth-Spezialist-Katalog |
27 A |
| NPC, National Philatelic Centre (Prüferkommission) |
Attest |
Stanley Gibbons |
3; 4 c |
| NPC, National Philatelic Centre (Prüferkommission) |
Attest |
ACSC: Australien-Commonwealth-Spezialist-Katalog |
33 A |
| NPC, National Philatelic Centre (Prüferkommission) |
Attest |
ACSC: Australien-Commonwealth-Spezialist-Katalog |
34 A |
| Ceremuga, Krzysztof (AIEP (Association internationale des experts en philatélie)) |
Sonstiges |
Stanley Gibbons |
38 a |
| KGVI-Expertising, (Prüferkommission) |
Sonstiges |
Stanley Gibbons |
397 a |
