An enamelled Yixing jar and cover 18th century

An enamelled Yixing jar and cover 18th century, by Wang Nanlin, painted with four roundels of green foliage and other scattered polychrome flowers, impressed four character mark to the base, 17cm. (2) Exhibited: Aberystwyth International Potters Festival 1995, no.13. Provenance: from the collection of Peter and Susan Wain.