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