Bodmer, Karl (Swiss, 1809-1893), Fort Union on the Missouri, engraving in hand-coloring and heightened with gum-Arabic, 9 3/4 x 12 1/2 inches, u/r; 'Tab 28' (printed in margin); Karl Bodmer pinx ad nat, l/r 'Imp de Bougeard', l/c, 'Beyer & Weber S.C.' l/r.'Fort Union am Missouri', 'Fort Union on the Missouri', 'Fort Union sur la Missouri", center. 'Coblenz bei J. Holscher', l/l/l "London Published by Ackermann & Co., London 90 Strand', l/l/c 'Paris Arthur Bertrand Editeur', l/l/r., no blindstamp, framed in a gilded print frame measuring 19 x 20 inches, Provenance: from the Estate of J. David Barnes, Fox Chapel, Pa.