1949 Kwantung Post surch May 1st International Day on Manchukuo
regular issue complete set, with “己” intead of “已” for
1949 Kwantung Post surch May 1st International Day on Manchukuo
regular issue complete set, with “己” intead of “已” for Chinese
character "紀” (Yang AD25/27F), MH.
1949年關東郵政改值五一國際勞動節蓋於滿洲國普通票新全，“紀”字開口變異（楊目AD25/27F），背貼。
