Compagnie des Grands Express Aériens, Nominal 500
Paris, 16 March 1922, Share of 500 Francs, #550, 22.4 x 31.5 cm, turquoise, blue, coupons.
The border of the superb certificate contains a coat of arms with wings. Two vignettes with views of London and Paris are in the border as well as the two coats of arms of the two cities. In the underprint we can see a biplane.