China. (Manchuria). 1941. Registered and Advice of Receipt mail envelope addressed to the 'German Government in Poland' bearing Manchuria SG 59, 8f yellow and SG 99, 50f olive tied by Harbin/ Manchouko date stamp with Harbin registration label and hand-struck 'Registered' and 'A.R.' hand-stamp in violet. Lovely item of Advice of Receipt mail.