| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| Brandon, David Expert Committee (Prüferkommission) | Attest | Stanley Gibbons | M 18 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 18 b |
| Kaufmann, Jacques (Sonstiges) | Attest | Stanley Gibbons | 18 a |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 018 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 18 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 18 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 18 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 18 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 019 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 19 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 19 |
| BPA, The British Philatelic Association Limit (Prüferkommission) | Attest | Stanley Gibbons | 19 b; 3; 27 a |
| Brandon, David Expert Committee (Prüferkommission) | Attest | Stanley Gibbons | 19 ac |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 19 m |
| Heddergott, Jochen (BPP (Bund Philatelistischer Prüfer)) | Attest | Stanley Gibbons | 19 |
| Holcombe, Peter (Sonstiges) | Sonstiges | Stanley Gibbons | 19 b; 3; 27 a |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 19 a |
| Pinchot, S. & Daniel N. (Sonstiges) | Attest | Stanley Gibbons | 19 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 19 a |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 19 |
| Scheller, Pascal (Sonstiges) | Attest | Stanley Gibbons | 19 i |
| Sydney Philatelic Research, Drury, Michael (Sonstiges) | Sonstiges | Stanley Gibbons | 19 Eba(2)da |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 20 b |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | Z 20 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 20 a |
| BPA, The British Philatelic Association Limit (Prüferkommission) | Attest | Stanley Gibbons | 20 |
| Ceremuga, Krzysztof (AIEP (Association internationale des experts en philatélie)) | Sonstiges | Stanley Gibbons | 20 |
| Holcombe, Peter (Sonstiges) | Befund | Stanley Gibbons | 20 a |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 20 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | O 20 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 20 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 20 d var |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 20 |
| Scheller, Pascal (Sonstiges) | Attest | Stanley Gibbons | 20 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Stanley Gibbons | 20 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | O 21 ac |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | O 21 ca |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 21 |
| BPA, The British Philatelic Association Limit (Prüferkommission) | Attest | Stanley Gibbons | 21 |
| Brandon, David Expert Committee (Prüferkommission) | Attest | Stanley Gibbons | 21 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 21 b |
| KGVI-Expertising, (Prüferkommission) | Befund | Stanley Gibbons | O 21 |
| Simmermacher, René (Sonstiges) | Befund | Stanley Gibbons | 21 |
| Sydney Philatelic Research, Drury, Michael (Sonstiges) | Attest | Stanley Gibbons | 21 |
| Williams, Mike (Sonstiges) | Attest | Stanley Gibbons | 21 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 22 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 22 |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 22 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 22 g |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 22 e |
