Featured in this lot are two, Great Northern Railway "Empire Builder" calendars with artwork done by Winold Reiss in 1956. Winold Reiss was a German-born American artist and graphic designer. In 1920, he went West for the first time, working for months on the Blackfeet Reservation in Montana, painting 36 portraits of tribal members. Over the years Reiss painted more than 250 works depicting Native Americans. These paintings by Reiss became known more widely beginning in the 1920s to the 1950s, when the Great Northern Railway commissioned Reiss to do paintings of the Blackfeet which were then distributed widely as lithographed reproductions on Great Northern calendars. In 1931, and 1934-37, Reiss organized a summer art school, also referred to as an artists' colony near Glacier National Park. This calendar features Winold Reiss's painting titled, "Buckskin Pinto Woman - Blackfeet Indian Matron - Glacier National Park In Montana". The calendar has been used and only features December, 1956. The calendar shows good to fair condition as it features some slight wear and slight damage from its age and use over the years. The second calendar features the "Mountain Flower" image and reads, "Mountain Flower - Blackfeet Indian Maiden - Glacier National Park, Montana / Route of the Empire Builder". This calendar only features the November & December months of 1944. This calendar shows fair condition overall with wear present from its age and use over the years, but no major signs of damage is noted. They measure 33 3/8" L x 16 1/8" W and have a collective weight of under 6 ounces.