| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| APS, (American Philatelic Society) (Prüferkommission) | Attest | Scott | 34 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 55 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | 58 |
| BPA, The British Philatelic Association Limit (Prüferkommission) | Attest | Michel | 2 I DD K Abart |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 59 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 2 I |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 2 I K DD PF |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 2 I KK PF |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 3 I |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 7 I DD |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 7 I |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 8 I K |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 9 I DDK |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | B 9 II |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | B 10 I PF I |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | B 13 II |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 6 I |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 9 I DD |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 53 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 53 h |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 54 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 55 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 55 h |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 58 e |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 59 var |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 60 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 63 c |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 64 j |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | 64 n |
| Holcombe, Peter (Sonstiges) | Attest | Michel | 3 I |
| Holcombe, Peter (Sonstiges) | Attest | Michel | 7; 7 DD |
| Holcombe, Peter (Sonstiges) | Attest | Michel | 15 |
| Holcombe, Peter (Sonstiges) | Attest | Scott | 36 c |
| Holcombe, Peter (Sonstiges) | Attest | Stanley Gibbons | 54 |
| Holcombe, Peter (Sonstiges) | Attest | Stanley Gibbons | 64 a |
| Holcombe, Peter (Sonstiges) | Attest | Stanley Gibbons | 64 o |
| Kilian, Jürgen (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 2 |
| Kilian, Jürgen (BPP (Bund Philatelistischer Prüfer)) | Attest | Stanley Gibbons | 55 g |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Michel | 13 K |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 61 |
| Scheller, Pascal (Sonstiges) | Attest | Michel | 6 K |
| Scheller, Pascal (Sonstiges) | Attest | Michel | 6 K |
| Scheller, Pascal (Sonstiges) | Attest | Stanley Gibbons | 6 I |
| Scheller, Pascal (Sonstiges) | Attest | Stanley Gibbons | 64 n |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 41 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Stanley Gibbons | 42 |
