| Moorhouse, Brian (Sonstiges) |
Attest |
Scott |
8 |
| Dahnke, Kurt H. (BPP (Bund Philatelistischer Prüfer)) |
Attest |
Scott |
8 |
| PSE, Professional Stamp Experts (Prüferkommission) |
Attest |
Scott |
8 |
| The One Cent Franklin Plating Archive, Richard Doporto (Sonstiges) |
Attest |
Scott |
8 A |
| APS, (American Philatelic Society) (Prüferkommission) |
Attest |
Scott |
8 c |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
8 L 2 |
| Friedl Expert Committee, (Prüferkommission) |
Attest |
Scott |
8 und 12 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Scott |
8 XU4R |
