View across Campus Martius at Monroe. Part of Detroit Opera House on left edge, Barbour Building on corner. Signs include Pennsylvania Lines; the Opera barber shop; Kaufman hats; United cigars; Goodrich raincoats; Central Candy Co. Billboards for Blue Valley butter, Royal Garden tea, and Summerfield & Hecht. Handwritten on photograph back: "Campus Martius at Monroe. 1920 or 21."