Two large Yixing enamelled wine pots and covers 1st half 19th century

Two large Yixing enamelled wine pots and covers 1st half 19th century, painted with panels containing figures, flowers, birds and calligraphy, on a green and blue ground, and a small teapot and cover similarly decorated, square seal marks to all, two spouts and one cover metal replacements, 18.5cm max. (6) Provenance: the Arthur J Harris collection.