Coat of arms of the City of London
The coat of arms of the City of London is that belonging to the Corporation of the City of London, the local authority of the City of London, Greater London, England. The blazon of the arms is Argent a cross Gules, in the first quarter a sword in pale point upwards of the last.
Source: Wikipedia — Coat of arms of the City of London (CC BY-SA 4.0)