1914-17 Covers and cards all detained during the war, comprising 1917 Dutch postcard to London captured by the Germans and delivered in 1919 with "AANGEHOUDEN DOOR / DUITSCHLAND 1916/17 / TERUG' AFZENDER"; covers to USA or Europe from various countries with boxed "RELEASED BY THE / BRITISH MILITARY AUTHORITIES" (14, four with 1919 backstamps); and 1917 cover from Holland to USA with "DETAINED DURING THE WAR BY THE / CENSORSHIP BOARD UNDER THE / PROVISIONS OF THE TRADING WITH / THE ENEMY ACT. (1).". (16).