Six redware and Yixing stoneware teapots and covers 18th century and later

Six redware and Yixing stoneware teapots and covers 18th century and later, English, Chinese and Dutch, one engine turned and with a matched glazed cover, one cylindrical and sprigged with a bird holding a branch in its beak, the other four miniature, one enamelled with peony and one incised with Chinese calligraphy, with an ovoid tea canister, some faults, 18cm max. (13)