"Her Majesty's Prime Minister, Lord Beaconsfield"
Benjamin Disraeli, 1st Earl of Beaconsfield, was Britain's Prime Minister from 20 February 1874-21 April 1880 and again from 27 February 1868-1 December 1868. Unlike his rival, William Gladstone
, he enjoyed a good relationship with Queen Victoria.
Number10.gov.uk - Benjamin Disraeli biography