Two hexagonal Yixing teapots and covers late 17th / early 18th century

Two hexagonal Yixing teapots and covers late 17th / early 18th century, decorated with panels of flowers, the other with dragons contesting flaming pearls, replacement spouts and handles, 18cm. (4) Provenance: the Arthur J Harris collection. Illustrated: Patrice Valfré, Yixing: Teapots for Europe, no.205 (left).