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Also in 1854 a "rotary process" was patented by William Bemrose and Henry Howe Bemrose.The Bemrose machine was designed as a rouletting machine. As such, it proved impracticable for stamp separation but in 1856 was successfully converted to a perforating machine by George C. Howard of Toppan Carpenter, stamp printers for the American Government. [3]
A newspaper wrapper stamped with a cut-out and sent out in 1911 from the Ewen's company to Germany. In philately, a cut-out is an imprinted stamp cut from an item of postal stationery such as a postal card, letter sheet, aerogramme or wrapper that may have been used as a normal stamp.
Some stamps, intended only for sale to stamp collectors, have been issued without gum, for instance the United States Farley's Follies souvenir sheets of 1933. On the first stamps of Great Britain the gum was called cement [ 3 ] and was made from a mixture of potato starch , wheat starch and acacia gum.
The patterns of United Kingdom's first postage stamps (known as the "line engraved" series), including the Penny Black of 1840, were based on rose engine patterns. The die used to prepare the printing plates was partially created by means of the rose engine, which produced a complicated pattern on a separate piece of metal.
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A postage stamp is a small piece of paper attached to mail that indicates that the postage (the cost of sending the mail) has been paid. Because stamps are sent on most mail, the stamp on a received item can be removed and placed on a different piece of mail to be sent, thus reusing the stamp without paying the proper postage.
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