| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
2 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
2; 5 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
20 a |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
22; 19 z |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
23 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
24 B |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
25 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
27 |
