British minister and social reformer (1829–1912) best known as the founder and first “General” of the Salvation Army. Fountain pen signature, “Yours in the service of the King of Kings on behalf of the tried[?] helpless of the Sons and daughters of men. William Booth, Feby.12.07.,” on a light blue 4.5 x 3.5 card. Card is affixed to a 7.25 x 5 toned off-white album page, with another card affixed to reverse. In fine condition, with some mild toning along bottom edge of card. RRAuction COA.