| Holcombe, Peter (Sonstiges) |
Attest |
Stanley Gibbons |
11 |
| Fiecchi, Alfredo Ermo (Sonstiges) |
Attest |
Stanley Gibbons |
11 |
| Ceresa, Raymond J. (Sonstiges) |
Attest |
Stanley Gibbons |
11 |
| RPSVI, Royal Philatelic Society of Victoria Inc (Prüferkommission) |
Attest |
Stanley Gibbons |
11 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
11 |
| The Philatelic Foundation, (Prüferkommission) |
Attest |
Stanley Gibbons |
11 |
| Gautré, Samuel (Sonstiges) |
Attest |
Stanley Gibbons |
11 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
11 |