from 1755. The older stone was removed to Priory Park in Southend, where it remains today. It is likely that there has been a marker on this site and at Yantlet since 1285. The Old Crowstone (as it is named in the official listing entry) was designated as a listed building at Grade II in 1974. The new Crow Stone was listed at Grade II in 2021. Upnor Two London Stones stand at , between the Arethusa Venture Centre and the River Medway in Lower Upnor, Kent. The older, smaller stone was erected in the eighteenth century, and bears the date 1204 as part of its main inscription. It carries on its rear the words "God preserve the City of London". Apart from that, the inscriptions of both stones are merely the names of various lord mayors and years. They mark the limit of the charter rights of London fishermen. References External links Pages on Geograph for: London Stone, Staines, the Crow Stone, London Stone, Yantlet Creek Google search for "Yantlet Line" The PLA page of thames.me.uk History of the City of London History of Middlesex Staines-upon-Thames Geography of Kent History of Kent Grain, Isle of Medway Grade II listed buildings in Surrey Buildings and structures in Southend-on-Sea Stones Boundary markers