| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
31 a |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
31 L 2 |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Scott |
32 |
| MEPSI, Mexico Elmhurst Philatelic Society Inter (Prüferkommission) |
Attest |
Scott |
32 |
| Holcombe, Peter (Sonstiges) |
Sonstiges |
Scott |
32 A |
| Gratton, Richard (AIEP (Association internationale des experts en philatélie)) |
Attest |
Scott |
33 |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Scott |
335; 315; 317 |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
34 |
