View of metal grille and clock in the main lobby in the Union Guardian Building, with steps leading to upper and lower banking rooms. The building is also known as the Guardian Building and the Union Trust Building. Stamped on back: "Grossman Knowling Lehr, Inc. 400 Marquette Bldg., Detroit, Michigan. Cherry 5600." Handwritten on back: "Grille at main, lower bank from lobby."
