This teapot is made by master called Wang BoQiang （汪 伯强）born in 1955 in Yixing.
Product Name: Daoba Xishi Teapot. (Daoba means handler is upside down)
Material: Zhu Ni (Red Mud)
Surface: Lipi (like pear, not glossy)
Capacity: around 160cc
Size: Length 11mm * Height 70 mm* Diameter of pot body 80 mm.
Neight weight: 144g
Usage: Available for brewing puerh tea, dark tea, oolong tea like Wuyi Yancha or Dancong.
VERY good material and craftmanship with a high pitch sound.