| Raritan, Stamps Inc. (Sonstiges) |
Attest |
Scott |
63 |
| Rendon, Alex (AIEP (Association internationale des experts en philatélie)) |
Attest |
Scott |
64 |
| Raritan, Stamps Inc. (Sonstiges) |
Attest |
Scott |
64 |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Scott |
65 |
| Crowe, William T. (Sonstiges) |
Attest |
Scott |
651 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
66 L 1 |
| PSE, Professional Stamp Experts (Prüferkommission) |
Attest |
Scott |
689 |
| Moorhouse, Brian (Sonstiges) |
Attest |
Scott |
69 a |
