| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
38 L 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
4 LB 21 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
40 L 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
40 L 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
40 L 6 |
| Crowe, William T. (Sonstiges) |
Attest |
Scott |
42 L 2 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
51 L 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
55 L 3 |
