CH2578572:
Observation watch numbered '5' on a label on the face, used by Roald Amundsen on the Maud Expedition, 1918-25, Illinois Watch Co., Springfield, 1916 (nickel), American School, (20th century) / Bridgeman Images
CH1198008:
Poster for Union Pacific System advertising Southern California, c. 1920 (colour lithograph), American School, (20th century) / Bridgeman Images