Exit full screen Benelux stamp (1969) Image Stamp issued in 1969 by the Luxembourg Post Office to mark the 25th anniversary of the Benelux Customs Convention. Share Twitter Facebook Email Source and copyright Source: Benelux. P & T, 1969. Couleur. Copyright: (c) P & T Luxembourg This document is also available in… Historical events in the European integration process (1945–2009): 1945–1949 The pioneering phase Subject files: The first organisations and cooperative ventures in post-war Europe