| One of a set of eight stamps issued by the Isle of Man Post in conjunction with the National Portrait Gallery London, for the 150th Anniversary of the National Portrait Gallery. In 1930, Agatha Christie was commissioned to write Manx Gold, a mystery story serialized in the Daily Dispatch. It contained cryptic clues to the hiding places on the island of four £100 treasure-hunt prizes, with the idea of enticing vacationers to the Isle of Man — and it worked! |
| August 25, 2006 36 × 36 mm |
 |
 |
 |
| Maurice Denham |
| Hercule Poirot |
| Agatha Christie with daughter Rosalind |
 |
| More of the Queen Of Modern Crime Novel. |
 |
 |
| Tommy and Tuppence |
| Inspector Lejeune |
 |
| Agatha with husband Archie Christie during World War I. |
 |