| Prüfer | Art der Urkunde | Katalog | KatalogNr. |
|---|
| BPA, Expertising Limited (Prüferkommission) | Attest | Michel | 1 I - 5 I; 7 I; 9 I |
| BPA, The British Philatelic Association Limit (Prüferkommission) | Attest | Michel | 3 K |
| Hoffmann-Giesecke, Günther (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 3 II |
| Scheller, Pascal (Sonstiges) | Attest | Michel | 3 I F |
| Scheller, Pascal (Sonstiges) | Attest | Michel | 4 II F |
| Holcombe, Peter (Sonstiges) | Attest | Michel | 7 II |
| Bothe, Hans (Arbeitsgemeinschaft) | Attest | Michel | 8 II |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 8 I |
| Holcombe, Peter (Sonstiges) | Attest | Michel | 8 I |
| BPA, Expertising Limited (Prüferkommission) | Attest | Michel | 10 I |
| Bothe, Hans (Arbeitsgemeinschaft) | Attest | Michel | 10 II |
| Bothe, Hans (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 10 I |
| Bothe, Hans (BPP (Bund Philatelistischer Prüfer)) | Attest | Michel | 10 I |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 10 II |
| Scheller, Pascal (Sonstiges) | Attest | Michel | 10 I.I |
| Scheller, Pascal (Sonstiges) | Attest | Michel | 10 I.I |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | B 11 I PF I |
| Scheller, Pascal (Sonstiges) | Attest | Michel | 11 I K |
| Scheller, Pascal (Sonstiges) | Attest | Michel | H 12 |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Michel | 15 II PFF |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 17 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 18 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Michel | 19 |
| Ceremuga, Krzysztof (Sonstiges) | Attest | Michel | 31 F |
| Scheller, Pascal (Sonstiges) | Attest | Michel | 31 F |
| Holcombe, Peter (Sonstiges) | Sonstiges | Scott | 32 A |
| Friedl Expert Committee, (Prüferkommission) | Attest | Scott | 62 |
| The Philatelic Foundation, (Prüferkommission) | Attest | Scott | 62 |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Scott | 65 |
| Scheller, Pascal (Sonstiges) | Attest | Yvert et Tellier | 32 A |
| Scheller, Pascal (Sonstiges) | Attest | Yvert et Tellier | 34 A |
| Holcombe, Peter (Sonstiges) | Sonstiges | Yvert et Tellier | 38 A |
| Scheller, Pascal (Sonstiges) | Attest | Yvert et Tellier | 38 |
| Scheller, Pascal (Sonstiges) | Attest | Yvert et Tellier | 38 A |
| Bothe, Hans (BPP (Bund Philatelistischer Prüfer)) | Attest | Yvert et Tellier | 41 |
| Hoffmann-Giesecke, Günther (BPP (Bund Philatelistischer Prüfer)) | Attest | Yvert et Tellier | 41 |
| Scheller, Pascal (Sonstiges) | Attest | Yvert et Tellier | 41 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | H II b |
| Bach, Jean-Paul, und Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | H 2 |
| BPA, The British Philatelic Association Limit (Prüferkommission) | Attest | Stanley Gibbons | 3 a |
| RPSL, Royal Philatelic Society (Prüferkommission) | Attest | Stanley Gibbons | 3 a |
| Scheller, Pascal (Sonstiges) | Attest | Stanley Gibbons | H 3 |
| Gibbs, Robert M (Sonstiges) | Sonstiges | Stanley Gibbons | III 6 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | H 7 |
| Scheller, Pascal (Sonstiges) | Attest | Stanley Gibbons | H 7 |
| Scheller, Pascal (Sonstiges) | Sonstiges | Stanley Gibbons | H 7 |
| Holcombe, Peter (Sonstiges) | Attest | Stanley Gibbons | H 9 |
| Scheller, Pascal (Sonstiges) | Sonstiges | Stanley Gibbons | H 9 |
| BPA, Expertising Limited (Prüferkommission) | Attest | Stanley Gibbons | H 10 |
| Eichele, Martin (BPB (Briefmarkenprüfstelle Basel)) | Attest | Stanley Gibbons | H 10 |
