British Prime Ministers: - Robert Gascoyne-Cecil, 3rd Marquess of Salisbury (1830-1903, British Prime Minister 1885-86, 1886-92 & 1895-1902), signature on hand-written letter on 'Hatfield House' letterhead. Together with an 1860 signed letter from Sir Benjamin Hawes; and an 1869 letter from Treasury. (3 items)