| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 51 g |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 51 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 52 h |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 52 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | O 52 var |
| Odenweller, Robert P. (AIEP (Association internationale des experts en philatélie)) | Attest | Stanley Gibbons | 52 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 52 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 52 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Stanley Gibbons | 52 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Stanley Gibbons | 52 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 53 a |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 53 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 53 h |
| BPA, The British Philatelic Association Limit (Prüferkommission) | Attest | Stanley Gibbons | 54 a |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 54 |
| Holcombe, Peter (Sonstiges) | Attest | Stanley Gibbons | 54 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 54 a |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 54a var |
| Philatelic Federation of South Africa, (Prüferkommission) | Attest | Stanley Gibbons | 54 a |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 55 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 55 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 55 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 55 h |
| Kilian, Jürgen (BPP (Bund Philatelistischer Prüfer)) | Attest | Stanley Gibbons | 55 g |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 55 c |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 56 |
| KGVI-Expertising, (Prüferkommission) | Attest | Stanley Gibbons | 56 |
| Knopke, Karl (Sonstiges) | Attest | Stanley Gibbons | 56; 58 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 57 var |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 58 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 58 e |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 58 a |
| KGVI-Expertising, (Prüferkommission) | Attest | Stanley Gibbons | 58 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 58 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 59 a |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 59 |
| Dorfman, David (Sonstiges) | Attest | Stanley Gibbons | 59 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 59 var |
| Kaufmann, Jacques (Sonstiges) | Attest | Stanley Gibbons | 59 |
| Louis, Karl-Albert (BPP (Bund Philatelistischer Prüfer)) | Attest | Stanley Gibbons | 59 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 59 a |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 60 |
| Heijtz, Stefan (Sonstiges) | Attest | Stanley Gibbons | 60 - 65 DP |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | 60 |
| Knopke, Karl (Sonstiges) | Attest | Stanley Gibbons | 60 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 60 |
| Stanley Gibbons, Limited (Händlergarantien) | Attest | Stanley Gibbons | 60 d |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | J 61 x |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 61 |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) | Attest | Stanley Gibbons | O 62 |
