France, Airmail, 1943, 5f on 10f Vincennes Overprinted "Par Avion, Batiment de Ligne Richelieu", in combination with U.S. Airmail, 1941, 6¢ Transport (Scott C25) on post card to New York City, all tied by "Batiment de Ligne Richelieu, 22-9, 43" octagon postmarks, with circular U.S. & French censor cachet handstamps, Very Fine, a rare postcard, being one of the very few known which was actually delivered by the United States post office; with detailed 2010 S. Sismondo certificate. Maury No. 5  Estimate $750 - 1,000. $0 (Image)