Rare Cbg Mignot French Air show display French, circa 1920, impressive diorama in display box with printed background and drop-down side revealing 3 x tinplate World War I era French military aeroplanes, 20 x hand painted cast metal figures styled as spectators, pilots and soldiers, 'Meeting Aerien' banner, 2 x flagpoles, 2 x hangars, trees and barriers, the blue lift off box lid with gold red and white pictorial 'Cbg Paris' label, 2 x figures and 1 x tree detached from base, some repainting box overall 14.5 cm high, 61 cm wide, 29 cm deep