The 2024 Winter Auction - Sale 344 - Day 4

1943 (Sep 27) Japanese Occ. Hong Kong Kowloon to Canton registered cover,attached with a registered receipt, since the cover was written in German, a notice slip typed "According to the regulation, all outward mail matters should be written in English, Chinese or Japanese. Therefore, kindly be advised that those messages written in the other languages are to be suspended even if they are accompanied by equivalent translations prepared by you." and bearing a postmark dated 1943 (Sep 28). Extremely rare Japanese Occ. Hong Kong postal history item.