Black Glazed Bowl with Oil-Drop Design (Song Dynasty)

Collected from Weinan City, Shaanxi Province. This bowl was perfectly made and completely glazed except the bottom. There are some spots in the glaze which look like oil drops. Black glaze with spots is unique. It was popular in the Northern Song Dynasty, but it was diminishing by the end of the Yuan Dynasty. According to the features of the bowl, it is believed to have been produced in the North.