On a dusty street corner in Porfirian-era Monterrey, a man leans on a bicycle watching a green horse-drawn tram clatter past the ornate Casino building — one of the grandest social clubs in northern Mexico before the Revolution swept it all into history. Published by the Sonora News Company of Mexico City and hand-colored with remarkable delicacy, this early undivided-to-divided-back transition card captures the twilight of the Díaz era in vivid detail: the Casino's Mansard roof and iron-grille colonnade, the unpaved street, the tram still pulled by a horse rather than electricity. Postmarked June 27, 1908 at Villa Escobedo, Chihuahua, and sent from "H. McL." to a Miss Alice in Rochester, New York — a real-life link between the American expat community in northern Mexico and the U.S. heartland, just three years before the Revolution began.