| Fuller, Perry W. (Händlergarantien) |
Attest |
Scott |
2 XU 1 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
2 XU I |
| Baltimore Stamp, Company (Händlergarantien) |
Attest |
Scott |
2 XU I |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
2; 5 |
| Hawaiian, Philatelic Society (Prüferkommission) |
Attest |
Scott |
20 |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Scott |
20 a |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
20 a |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Scott |
209 |
