Dim.: 40,5 x 26,5 cm (the frame)
Dim.: 38,5 x 30 cm (the work)

Ref.:
Maria Kar-Wing Mok: 'Redefining China Trade Painting: A Decade of Research', Arts of Asia, Nov. 2019, for an interesting article on the subject, from the perspective of the Hong Kong Museum of Art. (link) She states for example: 'Emerging in large quantities when the China trade flour­ished, these works were first produced in Canton (Guang­zhou) when the city was the sole port of access to China for foreign trade from 1757 to 1842, and later in other trade ports, such as Shanghai and Hong Kong.'