A CELADON-GLAZED 'TRIGRAM' VASE, CONG MARK AND PERIOD OF GUANGXU

of archaistic cong form, the straight sides moulded on each side with eight trigrams arranged in two columns, surmounted by a tapered neck and lipped rim, all supported on a tapered foot, applied overall with a pale bluish-celadon glaze, the base inscribed in underglaze blue with a six-character reign mark