3 free of postage inland letters, all dated 9 May 1940 (1 day before invasion on 10 May), Harlingen-Dordrecht with Verbinding verbroken/ Retour afzender (connection severed, return to sender), and 2 from Limburg (Nuth and Maastricht) with German (Cöln) censor label

Flag stamp Vacantie/ in Vredig/ Vaderland (Holiday in Peaceful Fatherland) on 2 postcards, 's-Gravenhage 10.V.1940-Eindhoven and Groningen 12.V.1940-Schiedam (third day of the invasion), last one with red terug afzender/retour á l'expéditeur

18 letters and postcards 1940, 8 May, 9 May (6x), 10 May (3x), 11 May, 13 May, 16 May (2x), 17 May, 18 May, 21 May (2x) and 31 May, all abroad with cancels or labels return sender, many different, and to different countries including Argentina, Curaçao, Denmark, Estonia, Liechtenstein, Netherlands East Indies, Romania and Sweden

2 envelopes June 8 and June 22, both 1940 to Neth. Indies, arrival censor 10.4.41 and 18.2.41, both label Censor office Batavia. When reading enclosed letter from occupied territory remember that it was written in the knowledge that it had to pass the German censor. ...., air mail envelope Amsterdam-USA January 23, 1941 with 20 and 25 cent, German censor and postcard 7½ cent Amsterdam-Shanghai 10.IX.1940 with German censor

5 letters to abroad, 26.VI.1940 to Belgium, 9 VII.1940 to Belgium (better label from Post- en Telegraaf-/ kantoor UTRECHT/ afd. ''EXPEDITIE-/ BRIEFPOST'' ), 12.X.1940 to Lille, 24.VI.1942 to Estonia and 1.XI.1943 to Italy, all cancel or labels return to sender in different forms