…”What does the sentry say?” said the colonel.
This is from “The Man who Was” in Life’s Handicap.
A tortured wreck of a man, dressed in rags, has been found outside the barracks of the White Hussars. He turns out to be a one-time Hussar officer, who had been captured thirty years before, during the Crimean War, and imprisoned for insulting a Russian colonel. Now he had escaped, and found his way back to the regiment that had been his home.