Letter from 23207 L/Cpl Frank Bentley, 2nd Bn Grenadier Guards, to his brother Cpl Arthur Bentley, Royal Army Medical Corps; written with the British Expeditionary Force in France, 29 June 1916; Frank mentions the meagre issue of Field Service postcards and ‘green envelopes’; objects to the censorship of white envelopes by company officers, who know the writers, whereas ‘green’ envelopes are censored at the base ‘where no one knows us’; Frank Bentley was killed in action at Gauche Wood, near Gouzeaucourt, 1 Dec 1917; his name appears on the Cambrai Memorial, Louveral.