This is an antique Japanese bronze suiban, Ikebana flower arranging vessel (basin) from Late Meiji period (1890's-1910's).
The dragon runs through all way around 4 sides in the splashing water and clouds.
It comes in an original wooden box. Suibai can be used as the flower vase adding Kenzan, spicky frog.
17 1/2"W x 12 1/2"D x 5 1/2"H