 According to Patrick Robertson's "Film Facts", "the earliest pornographic motion picture which can definitely be dated is "A L'Ecu d'Or ou la bonne auberge"" made in France in 1908; the plot depicts a weary soldier who has a tryst with a servant girl at an inn.The Argentinian "El Satario" might be even older; it has been dated to somewhere between 1907 and 1912.He also notes that "the oldest surviving pornographic films are contained in America's Kinsey Collection.