Back in the days when picture postcards were all the rage and the demand for colour photographs outstripped the technological ability to be able to deliver them, monochrome photographs were hand coloured. Most were done with skill and care, but occasionally short cuts were taken. It was nearly going-home time and the weekend was just around the corner. It was just a photograph of a "modern business block" in Ravenna, Ohio. Surely nobody would ever notice the walking man with the blue spots.