This lamp was in Columbus Park, between downtown Chicago and Lake Michigan.
The style was repeated in Printers Row.
Two more streetlights from Printers Row in Chicago. The first has a clear Prairie School influence, and exudes that big city feel of Chicago.
The second is more modest.
These building lamps appear on the Franklin Building, in Printers Row in Chicago. The first one appears lower on the building than the second one. They seem to be designed from the Prairie School of architecture.