French Indo-China. (French Morocco). 1933. Military mail Air Mail envelope headed 'Commandement Superieur/ des Troupes du Maroc/Le Chef D'Etat Major' addressed to French Indo-china with 'Troupes de Maroc/ Le Commandant General' cachet in violet bearing French Maroc Yvert 146, 3f carmine/rose (pair) tied by Rabat-Residence/ Maroc date stamp '23/1' , routed via Marseille and Saigon, underpaid with 'T/1. 80' hand-stamp and bearing French Indo-China postage dues SG D143, 8c grey and SG D144, 10c blue tied by Hai-Phong arrival on reverse. Very fine and scarce.