Lot of three postcard views from Minnesota during the 1920s.

(left to right, top to bottom)
-- Lighthouse, Harbor Entrance. Litho postcard. CT American Art Colored. Published by Duluth Photo Engraving Co.
-- Iron Ore Cars in DM&NRR Yards. Litho postcard. CT American Art Colored. Published by Duluth Photo Engraving Co.
-- Loading Ore in Duluth-Superior Harbor. Litho postcard. CT American Art Colored. Published by Duluth Photo Engraving Co.

None are postally used.

The white border has been trimmed from all the cards, except that the captions were left intact. All have adhesive residue on the back from scrapbook mounting, as well as small bits of adhesive on the front. They are otherwise clean and bright.