A JAPANESE KO-IMARI BLUE AND WHITE JAR C.1680 The bulbous body decorated in dark underglaze blue with a continuous design of a mountainous river landscape, with sailboats to the fore and houses in the distance, the shoulder and neck with bands of lappets and formal clouds, with three concentric lines above the foot, 26.5cm. Cf. B Davies Oriental Art, Ko-Imari porcelain from the collection of Oliver Impey, p.48 no.21, for another jar with similar decoration.