Penny Post much needed reforms in the current postal system. On 10 January 1840, the Uniform Penny Post was established throughout the UK, facilitating the safe, speedy and cheap conveyance of letters, and from 6 May could be prepaid with the first postage stamp, known as the Penny Black. Elihu Burritt proposed that a fixed rate of one penny be established for all mail throughout the entire British Empire as a means of facilitating international interaction and international unity. This was known as the Ocean Penny Post. On Christmas Day, 1898, the Imperial Penny Post extended the rate throughout the British Empire
Penny Red watermarks were used for the paper, small crown, (on the early issues) and large crown, introduced on 15 May 1855. The first stamps printed on the large crown watermarked paper showed two small vertical lines in the central portion of the crown. Later printings showed a revised watermark on which these central lines are not present. Stamps from some of the individual plate numbers, such as plate 77, are very rare and in 2016, an example from this plate was auctioned for UK£495,000. The era of the Penny Red came to its close at the end of 1879, along with