The banner of the Wuchang uprising (zh:武昌起义) of October 10, 1911, subsequently used as the flag of the army of the Republic of China, ca. 1913-1928. It appears on many varieties of Chinese currency issued during the 1910's and 1920's. This image shows a variant of the flag with 18 yellow dots.
Chinese-army Wuhan flag (1911-1928) with 19 yellow dots.
