| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
16 a |
| Diaz Paulos, Fausto (Sonstiges) |
Attest |
Stanley Gibbons |
16 c |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) |
Attest |
Stanley Gibbons |
16 cg |
| BPA, Expertising Limited (Prüferkommission) |
Attest |
Stanley Gibbons |
16; 18 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
160 |
| Brandon, David Expert Committee (Prüferkommission) |
Attest |
Stanley Gibbons |
160 b |
| Ceremuga, Krzysztof (Sonstiges) |
Attest |
Stanley Gibbons |
161 b |
| KGVI-Expertising, (Prüferkommission) |
Attest |
Stanley Gibbons |
161 b |