| Moorhouse, Brian (Sonstiges) |
Attest |
Stanley Gibbons |
2 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
2 |
| Holcombe, Peter (Sonstiges) |
Attest |
Stanley Gibbons |
2 a |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
2 a |
| Sismondo, Sergio (Sonstiges) |
Attest |
Stanley Gibbons |
2 aa |
| Hass, Charles F. (Sonstiges) |
Attest |
Stanley Gibbons |
2 e |
| Kimmel, Kurt (SBPV / ASEP (Schweizerischer Briefmarken-Prüfer-Verband)) |
Attest |
Stanley Gibbons |
2 E; 8 a |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
2 proof |
