KING W. L. MACKENZIE: (1874-1950) Canadian statesman and politician who served as Prime Minister of Canada 1921-26, 1926-30 & 1935-48. Bold dark fountain pen ink signature ('W. L. Mackenzie King') and date, Ottawa 1949, in his hand to the recto of his official printed oblong 12mo Visiting Card featuring his printed title The Prime Minister of Canada to the centre. One very slight, minor paperclip indentation mark to the upper edge. VG