View of the Charles Building on 15th (Fifteenth) and Curtis Streets in downtown Denver, Colorado. The Commercial style stone block has sash windows, decorated cornice, battlements and a flat roof. Pedestrians are on the sidewalk and automobiles are parked along the street. Street railway tracks line the middle of the streets. Storefront signs read: "Toys," "The Denver Dentists," "The John A. Martin Drug Co.," "Sarnoff Irving" and "The A.C. Kalmus Sample Shop."