Look what Patrick Howard Antiques has put up for sale on-line:
440. Rare Chinese Porcelain Chien Lung Basin 18th Ct
A Very Fine & Rare Example of an Eighteenth Century Chinese Export Circular Bowl or Basin of unusually large proportions and of the period Chien Lung 1736-1795.
The interior is exquisitely hand decorated in blue with Chrysanthemums within foliage, the outside has similar decoration off white ground.
Diam: 14.25" (36cm). Height: 5.75" (14.5cm).