A bronze plaque, the obverse embossed with stylised aeroplanes over a city landscape, an angel and an airship over a coastline in separate panels, signed A. Morton and Navigation Airienne, the reverse with two panels embossed with a male designer and an engineer and Le Reve Concoit and La Science Realise, the centre panel not engraved, the rim stamped - Bronze -- 4in. (10cm.) wide