Autograph Letter Signed ‘Leonard C.Wyon’, to Dr. Gray, explaining that his wife is unwell and “cannot avail herself of Mrs. Gray’s kindness”. 2 pp. 7 x 4 inches, in good condition, one edge very lightly trimmed. 54 Hamilton Terrace, St. John’s Wood, 5 May 1856. Leonard Charles Wyon (1826 – 1891), Chief Engraver at the Royal Mint, and the engraver of the Victorian era most notable for his work on the gold and silver coinage struck for the Golden Jubilee of Queen Victoria in 1887 and the bronze coinage of 1860 with the second (“bun”) head portrait, in use from 1860 to 1894. He was son of the chief engraver at the Mint, William Wyon. Wyon, like his father William before him, prepared many dies for coinage use in various parts of the British Empire, including those for Australia, British East Africa, British Guiana, the West Indies, British Honduras, British India; the British India Native States of Alwar, Bikanir, Dwas and Dgar; Canada, Ceylon, Cyprus, Hong Kong, Jamaica, Jersey, Malta, Mauritius, New Brunswick, Newfoundland, Nova Scotia, Prince Edward Island and the Straits Settlements. His official medals included the South Africa Medal (1853), the Arctic and Baltic Medals, the Indian Mutiny Medal, and the South Africa Medal (1879). Among his portrait medals are those of William Wordsworth (1848), Robert Stephenson (1850), Joseph Paxton (1854), Richard Sainthill (1855), Henry Hallam (1859), and William Ewart Gladstone (1879).