1928 and 1930 a pair of covers from Manchuria posted at Japanese PO, former from Antung to Yingkow, applied with Antung slogan d.s while
1928 and 1930 a pair of covers from Manchuria posted at Japanese PO, former from Antung to Yingkow, applied with Antung slogan d.s while latter from Moukden to Harbin, tied by Moukden IJPO cds. 1928及1930年一對經日本客郵局寄出之滿洲實寄封，前者自安東寄營口，鈐安東縣口號機戳。後者自瀋陽寄哈爾濱，銷瀋陽日局日戳。
