Five Thousand Pengoes and a Kiss

Written by

Published in the collection The Lives of Harry Lime - novelization of episode 26 of the radio program of the same name as the collection.
Possibly shortly after WWII, Harry Lime is in Budapest when he meets Helene, a woman in show business who wants to leave the country but cannot get her exit papers because the government hopes her fugitive husband will show up and get arrested. Lime offers to help her, for a price, of course.