Japan. (Russia). 1917. Picture post card written from Toyko dated '16/3/1917 addressed to Pertrograd bearing Japan SG 161, 4s scarlet tied by Tokyo vernacular date stamp with boxed 'No 6' censor and cachet '57' in violet with framed Russian censor on face. Very rare espionage post card to the French Mission under Colonel Mangin in Petrograd. See three page article from the 'Monde des Philatelists, 1997.