| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Michel |
19 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
19 |
| PSE, Professional Stamp Experts (Prüferkommission) |
Sonstiges |
Scott |
19 |
| The Philatelic Foundation, (Prüferkommission) |
Sonstiges |
Scott |
19 |
| RPSL, Royal Philatelic Society (Prüferkommission) |
Attest |
Stanley Gibbons |
19 a |
| Indian States Expertizing Service Inc., (ISES) (Prüferkommission) |
Attest |
Stanley Gibbons |
19 a |
| Raybaudi, Experts (Prüferkommission) |
Attest |
Sassone |
19 a |
| Türkiye Filateli Dernekleri Federasyonu, (Prüferkommission) |
Attest |
Michel |
19 A |