The next minute he heard Tuppence’s voice.
“Oh! there you are, Inspector Dymchurch. I’ve brought the letter. Where is Francis?”
With the last words she came through the door, and Vassily sprang on her from behind, clapping his hand over her mouth. Dymchurch tore the handbag from her grasp, and turned over its contents in a frenzied search.
Suddenly he uttered an ejaculation of delight and held up a blue envelope with a Russian stamp on it.
Coggins gave a hoarse shout.
And just in that minute of triumph, the other door, the door into Tuppence’s own office, opened noiselessly and Inspector Marriot and two men armed with revolvers stepped into the room, with the sharp command:
“Hands Up!”