Post Office Poster PMG 5/49 May,1949 'Post Christmas Mail now For Overseas.' Signed P I Cox. Peter Ingram Cox (born Adelaide 1913). During the second World War, Cox worked as a cartographer in the A I F & after the war was an artist in the Postmaster General's Department, 1946-52. (Source: McCulloch) (55x63.5cm). Enclosed in Mylar. Estimate $80-150