Stock certificate for 100 shares in the Columbia Motors Co., one page, 11.25 x 8, circa 1920s. Signed by the company's president and secretary, the certificate features the logo of their popular "Columbia Six" engine flanked by two allegorical figures. Matted and framed to an overall size of 20 x 16.5. In fine condition. Based in Detroit, Michigan, the Columbia Motors Company manufactured automobiles from 1916 to 1924.