In philately a cut-out is an imprinted stamp cut from an item of postal stationery such as a postcard, letter sheet, aerogramme or wrapper and used as a normal stamp.
In Great Britain the postal use of cut-outs was banned under the Post Office Act of 1870. This prohibition was in force until 31 December 1904. In 1905, Herbert L'Estrange Ewen published a booklet "The Unadhesive Postage Stamps of the UK" meaning postal stationery cut-outs.