| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
27 a |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
31 a |
| PSAG (Philatelic Stamp, Authetication and Grading) (Prüferkommission) |
Attest |
Michel |
43 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 |
| Hawaiian, Philatelic Society (Prüferkommission) |
Attest |
Scott |
6 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
6 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
75 |
