Qianlong underglaze-blue seal mark and of the Period The unusual shape of pleasing bombe profile at the mid-section above a waisted foot and beneath an elegantly spreading trumpet neck, glazed in an attractive liver-red glaze that is a strong and vibrant tone to one side but thinning to a more grey-toned red on the other side, the interior neck also with some liver-red bleeding of the glaze, the white-glazed base centered by a six-character horizontal-format seal. 12 1/4in (31.1cm) high