Wonderful cast metal painted barometer. Diameter 12", 2.5" deep. Likely a sales promotional item yet pretty expensive if a giveaway; more likely meant for dealer display. Cast into the top banners are "Gnome" and "Rhone" and a bottom tab has a "K". Original green, black and silver paint with some chipping. Barometer may still be functional; glass face intact. Wonderful "Golden Age" aero relic; unseen by me in over 50 years of collecting. Fellow collector identified this as originally having a large prop at the center and later retrofitted with a barometer or clock.