Postage stamp prepaying. From when the first postage stamps were used, postmarks were applied to prevent the stamps being used again. The first stamp, the "Penny black", became available for purchase 1 May 1840, to be valid as of 6 May 1840. Two days later, 8 May 1840, the Two penny blue was introduced. The Penny black was sufficient for a letter less than half an ounce to be sent anywhere within the UK. Both stamps included an engraving of the young Queen Victoria, without perforations, as the first stamps were separated from their sheets by cutting them with scissors. The first
Postage stamp on the last day of the Congressional session four years later, the "Act of March 3, 1855" required the prepayment of postage on all mailings. Thereafter, postage stamp use in the U.S. quickly doubled, and by 1861 had quadrupled. In 1856, under the direction of Postmaster General James Campbell, Toppan and Carpenter, ("commissioned by the U.S. government to print U.S. postage stamps through the 1850s") purchased a rotary machine designed to separate stamps, patented in England in 1854 by William and Henry Bemrose, who were printers in Derby, England. The original machine cut slits into the paper rather than punching