A Japanese pair of Arita moulded Hakuji porcelain bowls, Edo period (1603-1868), circa late 17th century, the porcelain bowls with crisply moulded design of a dragon chasing a pearl, partly covered in stylised scrolling clouds, with a 'Rinka' flower petal border, edged with stylised clouds, the centre with a raised circular disk representing the moon., 4.5 cm high, 15.5 cm diameter.