A fine teadust glazed square hu vase mark and period of Qianlong

after an archaic bronze hu form, the pear-shaped vase of rectangular section, on a straight foot and rising to a wide neck with indented corners flanked by a pair of angular lug handles, moulded with raised peach-shaped panels on both sides, covered with an even olive-green glaze with fine gold speckles, the base impressed with a six character mark