| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
12 |
| Hawaiian, Philatelic Society (Prüferkommission) |
Attest |
Scott |
16 |
| Hawaiian, Philatelic Society (Prüferkommission) |
Attest |
Scott |
18 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
19 |
| Hawaiian, Philatelic Society (Prüferkommission) |
Attest |
Scott |
20 |
| PSE, Professional Stamp Experts (Prüferkommission) |
Attest |
Scott |
22 |
| PSAG (Philatelic Stamp, Authetication and Grading) (Prüferkommission) |
Attest |
Scott |
22 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
26 |
