Blue and white porcelain powder box with flying geese pattern of Yuan Dynasty

The box is 3.1 cm in height, with its mouth 8.7 cm in diameter, and its bottom 4 cm in diameter. The box cover is 2.2 cm in height, and 8.7 cm in diameter. The box is divided into body and cover. On the surface and wall of the cover, and the outer wall of the body are respectively painted with patterns of curling grass, flying geese and Ganoderma lucidum.