18th19th cent chinese export porcelain imari bowl with chinoiserie decoration

selling this stunning very rare 18th /19th century chinese imari palette bowl black rim over hand painted with gilded chinoserie decoration throughout the bowl of ships ,exotc birds etc with hand painted imari decoration within cartouches and also same to the reverse of bowl the bowl is in pristine condition and signed to base with unusual 8 chinese script marks to base of the bowl that measures 14 3/4" diameter x 5 1/2" high and weighs 2.8kilos so and