| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
134 LU 3 VAR |
| Crowe, William T. (Sonstiges) |
Attest |
Scott |
137 |
| PSAG (Philatelic Stamp, Authetication and Grading) (Prüferkommission) |
Attest |
Scott |
1384 |
| PSE, Professional Stamp Experts (Prüferkommission) |
Attest |
Scott |
14 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
14 |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Scott |
14 |
| PSE, Professional Stamp Experts (Prüferkommission) |
Sonstiges |
Scott |
14 |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Scott |
14 |
