Lot 847. A celadon-glazed 'trigram' vase, Xuantong mark and period (1909-1911). Height 11 in., 28.1 cm. Estimate 5,000 — 7,000 USD. Lot sold 20,000 USD. Courtesy Sotheby’s.

of cong form, each side molded with bagua arranged in two columns, applied overall with a sea-green glaze, the base with a six-character mark in underglaze blue. 

Sotheby's. Saturday at Sotheby's: Asian Art, New York, 16 Sep 2017