The Qing dynasty used silver coins known as yuan. One yuan equaled 1000 wen. In the Tongzhi period (l862-1875), more than 130 years ago, one yuan could buy two-and-a-half sacks of rice.
清代用銀圓，一圓等於一千文，以清同治年間，距今一百三十年前來說，一圓可買兩包半的米。