A collection of three Chinese Yixing zisha teapots

A collection of three Chinese Yixing zisha teapots,
20th century, comprising: one of squat circular form on three stud feet, the body with an incised band,
13cm high,
one of cylindrical form with dragon spout and handle, incised with a landscape and two bats surrounding fu, signed, stamped mark to base and interior of cover,
15.5cm long, and
another, of hexagonal form, applied with blossoming prunus,
12.5cm high (6)

二十世纪 宜兴紫砂壶 一组三件
Estimated at £100 - £150

Condition report:
Teapot with tall handle - no obvious faults.
Teapot with dragon - no obvious faults.
Hexagonal teapot - cover and rim damaged. Spout chipped. Some petals missing.