2022年5月23日1 分鐘郵品類收藏品占領シタ敵軍ノ青天白日旗ヲ手ニセル我將士,日本帝國明信片 [(1931) 中華民國二十年九一八事變,日軍佔領西塔陣地,俘獲青天白日旗。] The Japanese troops occupied the Sita(西塔) position at Shengyang during the Mukden Incident of 18th September 1931 ( also known as the Manchu