The lot features four original Winold Reiss (1886-1953) Blackfeet Montana artwork from the Great Northern Railway Empire Builder calendars from 1931 showing Tough Bread and Big Wolf Blackfeet Indian Braves; Chief Eagle Calf and Blackfeet Indian Maitron Mrs. Devine, all from Glacier National Park, Montana. Winold Reiss (1886-1953) was a German-born American artist, he immigrated to the United States in 1913 to follow his passion for Native Americans and by 1920 he went West to spend time on the Blackfeet Indian Reservation in Montana outside of Glacier National Park, creating more than 250 artworks depicting the people of the Blackfeet. In 1931, and 1934-37, Reiss organized a summer art school, also referred to as an artists' colony near Glacier National Park. The lot features two original Winold Reiss Great Northern calendar topper artworks. These were taken from a full calendar and only feature the months of April, June, August and November, 1931. The artwork on these calendars are as follows: Chief Eagle Calf, Mrs. Devine, Tough Bread and Big Wolf. They each feature the Great Northern Railway logo and feature various slogans. Each shows, “From Original Portrait by Winold Reiss New York / Great Northern RY. ST. Paul, U.S.A.” and “Printed in the U.S.A Louis F. Dow Co. St. PaulThey are set on poster board and shrink wrapped to preserve their condition. They show good condition overall with little wear present and no signs of damage noted. They measure 22 1/8" L x 10" W and have a collective weight of 1 pound.