TQ 77 SW HIGHAM CANAL ROAD 3/10005 The Obelisk II Boundary marker. Erected in 1820 on the Thames and Medway Canal to mark the jurisdiction of the Cities of London and Rochester for the collection of dues. Granite stone obelisk with inscription and coat of arms, 4 ball finials to the base and plinth with crossed maces and oars. The inscription reads "This boundary stone marking the line of jurisdiction of the cities of Rochester and London on the Medway and Thames Canal was erected AD1820. The Worshipful John Gibbs Mayor of the city of Rochester." Listing NGR: TQ7045873628