A letter dated 7 September 1925, from the wife of a Peshawar-born Indian domiciled in Britain and working as a sailor, describes the treatment of some Indians who were British subjects under the Home Office Coloured Aliens Seamen's Order, 1925: "My husband landed at Cardiff, after a voyage at sea on the SS Derville as a fireman, and produced his Mercantile Marine Book, R.S 2 No. 436431, which bears his Certificate of Nationality, declaring him to be British, and is signed by a Mercantile Marine Superintendent, dated 18 August 1919. This book and its certificate were ignored, and my husband was registered as an Alien. Would you kindly inform me if it is correct that the Mercantile Marine Book should have been ignored as documentary proof?" Police eager to deport "coloured" seamen would often (and illegally) register seamen as aliens regardless of correct documentation.