Two penny blue Two penny blue The Two Penny Blue or The Two Pence Blue was the world's second official postage stamp, produced in the United Kingdom of Great Britain and Ireland and issued after the Penny Black. Initial printing took place from 1 May 1840, and in all 6,460,000 were printed from two plates until 29 August. Officially the stamps were valid for postage from 6 May but were only available from 8 May. It was first sold to the public at the London Inland revenue office on 6 May 1840. Except for its denomination, the design is exactly the same as
Penny dreadful killed the penny dreadful by the simple process of producing the 'ha'penny dreadfuller'". The quality of the Harmsworth/Amalgamated Press papers began to improve throughout the early 20th century, however. By the time of the First World War, papers such as "Union Jack" dominated the market in the UK. Two popular characters to come out of the penny dreadfuls were Jack Harkaway, introduced in the "Boys of England" in 1871, and Sexton Blake, who began in "the Half-penny Marvel" in 1893. In 1904, the "Union Jack" became "Sexton Blake's own paper", and he appeared in every issue thereafter, up until the