Golden Bowl with Patterns of Cotton Rose Petal

Song Dynasty.
The bowl has a shape of a blooming cotton rose flower with a wide top and in external oblique ring stand. The upper and lower parts of the bowl are decorated with petal patterns.
The upper inside has eight petals with the right ones overlapping on the left ones in a clockwise circle; the lower inside has eight petals with the left ones overlapping on the right ones in a anticlockwise circle. The petals on the outside overlap each other in an opposite way.The inner bottom is decorated with the three-petal patterns. This bowl has a novel shape and fine texture.