Blue and white porcelain brush bowl, with Qianlong mark

Vessel of circular profile with vertical and smooth rim. It is decorated with blue enamel on white under glaze. In the center, there is a double "vajra" surrounded by auspicious Buddhist symbols. The exterior has a border of fretwork on the rim and on the reverse a line of cartouches surrounding a circular foot. At the base, right in the center, it has a Qianlong six-character mark "大清乾隆年制". There is a small bump on the mouth.

Diameter: 11.5 cm; Height: 3 cm