| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
J13 |
| Crowe, William T. (Sonstiges) |
Attest |
Scott |
J60 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
L 02 P 2 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
LO 1 TC 5 a |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
N 16 |
| Sydney Philatelic Research, Drury, Michael (Sonstiges) |
Attest |
Scott |
O 125 |
| Brandon, David Expert Committee (Prüferkommission) |
Sonstiges |
Scott |
O 15 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
O 32 a |
