British Prime Ministers: - William Lamb, 2nd Viscount Melbourne (1779-1848, twice Prime Minister of Great Britain 1834 & 1835-41, the city of Melbourne was named after him in 1837), nice signature 'Melbourne' on piece; John Russell, 1st Earl Russell (1792-1878, twice British Prime Minister 1846-52 & 1865-66), signature on cover front addressed to Scotland Yard; Lord Palmerston (1784-1865, twice British Prime Minister 1855-58 & 1859-65), 13th April 1862 signed letter. (3 items)