| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
117 L 7 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
117 L 8 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
119 a |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
12 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
12 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
12 |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
12 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
12 |
