| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
167 a |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
168 - 175 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
17 |
| Verein Bremer, Briefmarkensammler e.V. (Prüferkommission) |
Attest |
Michel |
17 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Michel |
17 |
| NPC, National Philatelic Centre (Prüferkommission) |
Attest |
ACSC: Australien-Commonwealth-Spezialist-Katalog |
17 A |
| BPA, The British Philatelic Association Limit (Prüferkommission) |
Attest |
Stanley Gibbons |
17 c |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
17 h |
