An amber-glazed pottery vase, Liao dynasty. Estimate 5,000 — 7,000 USD. Photo Sotheby's.

the elongated ovoid body rising to a tall flared rim, with double incised lines around the shoulder, the base and mid-section of the waisted neck, covered with a lustrous amber glaze pooling in the recesses and falling to an irregular line to just above the unglazed base and foot, Japanese wood box. Height 13 3/4  in., 35 cm

Notes: The attenuated tall form is a classic Liao form; this type is generally monochromatic with either an amber or green glaze. Similar examples are known from Liao burial sites in Liaoning province and Inner Mongolia illustrated in Liaoci Xuanji, A Collection of Liao Tomb Relics of the Liao Dynasty, Beijing, 1961, pl. 345, another is illustrated in Li Zhi Yan, The Art of Glazed Pottery of China, Hong Kong, 1989, no 239. Green-glazed examples of this form are found in two museum collections, The Asian Art Museum of San Francisco, illustrated in He Li, Chinese Ceramics, London, 1996, p. 146, no. 208 and in The Boston Museum of Fine Arts, illustrated in The Charles B. Hoyt B. Collection in the Museum of Fine Arts, Boston, vol. II, Boston, 1972, no. 4. Other fine examples of this type, both amber and green-glazed, may be viewed at the San Antonio Museum of Art, Texas. 

Sotheby's. Chinese Art through the Eye of Sakamoto Gor – Ceramics, New York, 17 mars 2015, 10:00 AM