Distant view of the Union Guardian Building from Congress Street. Commercial buildings and cars in foreground; Penobscot Building is partially visible in background. The Union Guardian building was also known as the Guardian Building and the Union Trust Building. Stamped on back: "Grossman Knowling Lehr. 400 Marquette Bldg., Detroit, Michigan. File number 60." Handwritten on back: "View west on Congress St."