Asking your suspicious restaurant visitor to ditch his coat and a hat may not be the best of ways to introduce him to the civilized demands of your fine establishment. Especially if ordering culinary specialities does not seem to be the goal of his visit.
Something of a different style from me, if still firmly seated in the realms of neo-noir. As a result of my ventures into training line work, my Muse thought it would yield nice results if I made a digital pen / pencil styled illustration.