| Pinchot, S. & Daniel N. (Sonstiges) |
Attest |
Stanley Gibbons |
4 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
4 |
| Sorani, Silvano (APFIP (Associazione Periti Filatelici Italiani Professioni.)) |
Prüfermitteilung |
Stanley Gibbons |
4 |
| Warwick & Warwick, Philatelic Investment Service (Händlergarantien) |
Attest |
Stanley Gibbons |
4 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
4 - 10 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
4 a |
| Ceremuga, Krzysztof (Sonstiges) |
Sonstiges |
Stanley Gibbons |
4 a |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
4 a |
