Brush washer - Porcelain

A Chinese monochrome blue-glazed brush washer or censer, of compressed circular form, covered overall in a rich deep blue glaze.
The base bears a Daoguang six-character seal mark, and the piece is possibly of the period.
Dating to the 19th Century, Qing Dynasty.

Condition:
Excellent overall condition. Some staining and residue to the interior, as clearly shown in the photographs. Minor surface wear consistent with age and use. No obvious major damage.

Dimensions:
Diameter: 18 cm
Height: 5.7 cm