4.5x3.5 Prime Minister card, 10 Downing Street, Whitehall, S.W.1. Signed in blue ink by James Callaghan. In very good condition. (1912-2005) James Callaghan, Baron Callaghan of Cardiff was a British politician who served as Prime Minister of the United Kingdom from 1976 to 1979 and Leader of the Labour Party from 1976 to 1980. Callaghan is the only person to have held all four Great Offices of State, having served as Chancellor of the Exchequer from 1964 to 1967, Home Secretary from 1967 to 1970, and Foreign Secretary from 1974 to 1976. He was a Member of Parliament (MP) from 1945 to 1987.This lot came from the Jim Wiggins collection we purchased in July 2022. Jim Wiggins accumulated the most unique and valuable autograph collection over a period of 70-plus years. He obtained his collection either in person or by writing to persons of fame and notoriety.Comes with a full Letter of Authenticity from Todd Mueller Authentics.