Medal made as an engraved plate presented to Matthias Prime Lucas (c.1762-1848) Commodore of the City of London River Fencibles by General Francis Augustus Elliott, 2nd Baron Heathfield (1750-1813). Obverse: A female figure of London standing, robed, her left hand resting on an anchor, her right holding a wreath, standing before a boat, a ribbon behind inscription, 'GOD SAVE THE KING', 'THE RIVER FENCIBLES'. Exergue: 'LOYAL LONDON VOLS'. Reverse inscribed: 'PRESENTED BY MAJOR GENERAL LORD HEATHFIELD TO COMMODORE LUCAS As a mark of appreciation of his SKILL in defeating the invading FLOTILLA & taking 86 Prisoners at the SHAM Fight July . 1800.' Thames waterman and other groups of river tradesmen voluntarily formed associations of River Fencibles in 1798, the same year that the Corps of Sea Fencibles was established as a coastal Home Guard.