The St. Lawrence & Mary Magdalene Drinking Fountain on Carter Lane opposite St Paul's Cathedral, London.
Originally it stood in Guildhall Yard. The gold cross on the top is not shown in this scan.
Date: 1866.
http://www.mdfcta.co.uk/details-f/f148.html
Photos taken January 2019 with a sony a6000 and processed in Agisoft Metashape.