French China. (Hong Kong). 1940. Censored envelope endorsed 'E. Grasset, Commissare de la Marine, Aviso Colonial 'Amiral Charner'/Poste Navale' addressed to France bearing French Type Paix Yvert 288, 1f50 blue (not valid) with adjacent Haiphong/Tonkin date stamp '3/7/40' with 'Marine Francaise/Service a la Mer' double ring and boxed instructional 'Trouve a la Boite' with Haiphong 'Controle Postal' label, oval 'Ouvert Par L' Autorit Militaire' and circular 'G/2' censor cachet, routed via Hong Kong with 'Opened by Censor/Hong Kong' label, Lisbon transit '18/1/41' and arrival in Herault '28/1/41' Very fine item of military mail.