A celadon jade boat, Qing dynasty, 18th century. Photo Sotheby's carved in the form of a flat-bottomed boat on a bed of swirling waves, the bow covered with a rounded woven roof and the mast folded backwards, carved with a standing figure at the prow...

A celadon jade carving of a boat. Qing dynasty, 18th/19th century well-carved in open-work in the form of a long boat, the rectangular cabin surmounted by the boom, mast and sail, with a series of open windows along the sides, the helmsman at the bow...