Dropper for calligraphy - Porcelain - China - 20th century

8 cm by 7 cm. Very smooth to the touch.
This object is a water dropper for calligraphy (also called a water dropper or 水注, shuǐzhù in Chinese), finely shaped in the form of a lotus capsule or seedpod (蓮蓬, liánpéng), complete with protruding seeds on the upper part and stylized petals along the body.
It is made of porcelain or stoneware with a distinctive monochrome cream-colored glaze featuring a dense network of crazing.
The stamp-impressed seal on the bottom consists of four Chinese characters arranged in a square to be read vertically, from right to left:
With a box, free of scratches or breaks,