Portrait of james buchanan painted by j. Eichholtz in 1834. Oil on canvas 36 1/8 x 28 1/4 in. (91. 7 x 71. 8 cm) at smithsonian american art museum. Object Type: painting. Genre: portrait. Date: 1834. Place of creation: United States of America. Dimensions: height: 91.7 cm (36.1 in) ; width: 71.7 cm (28.2 in). Medium: oil on canvas. Depicted People: James Buchanan. Collection: Smithsonian American Art Museum. James Buchanan painted by J. Eichholtz