Balthasar Permoser (1651-1732), Autumn (Bacchus) & Winter (Vulcan), 1695, ivory. LONDON .- Two 17th century ivory statuettes are at risk of being exported from the UK unless a buyer can be found to match the asking price of £1.8 million. Minister of State...

Yu Hui (B.1960), Landscape within rocks - Spring, Summer, Autumn and Winter. Photo: Sotheby's each signed Yu Hui, and with four seals of the artist in total; ink and colour on paper (4 works), hanging scrolls; each: 134.6 by 66.5 cm., 53 by 26 1/8 in....