Chinese dragon and phoenix moon flask

Chinese blue and white dragon and phoenix moon flask, having a petal form neck with leiwen and floral scroll bands flanked by ruyi scepter handles, above a body decorated on both sides with a five clawed writhing dragon and phoenix contesting a pearl of wisdom amidst auspicious cloud forms, each side framed in a meander band, the whole rising on a splayed foot, the underside with a blue underglaze six character Qianlong seal mark, 19"h x 14"w x 4.75"d.