1915-1918 four WWI military DLO covers incl. 1916 to MEF, Egypt "missing, not notified", 1918 to BEF France, multiple redirections, 1915 to Princess Pats, multiple redirects, 1917 to BEF, "killed in action". All with DLO two ring orb type 2-DLO2. Very interesting. (Image)