Penny Black print run was 286,700 sheets, containing a total of 68,808,000 stamps. Many were saved, and in used condition they remain readily available to stamp collectors. The only known complete sheets of the Penny Black are owned by the British Postal Museum. In addition to the general issue of the Penny Black, a similar stamp intended for official mail was produced, with the letters "V" and "R" replacing the crosses in the top corners. Because the general public quickly accepted the postage stamps and ridiculed the Mulready stationery produced at the same time, vast supplies of Mulready letter sheets were given
Laurie Penny vile sexist and anti-Semitic abuse" following the book's publication. Penny was selected by Truthdig as "Truthdigger of the Week" for the week of 25 November 2011. In 2012, "Tatler" magazine described her as one of top 100 'people who matter'. In October 2012, "The Daily Telegraph" ranked Penny as the 55th most influential left-winger in Britain, reporting that she is "without doubt the loudest and most controversial female voice on the radical left." In April 2014, Penny was announced as an International Nieman Fellow at Harvard. In August 2015, Penny endorsed Jeremy Corbyn's campaign in the Labour Party leadership election.