A large flambé-glazed bottle vase. Photo Bonhams

Covered with a rich sang-de-boeuf glaze, unevenly firing to purple tone, with white-glazed rim and unglazed base. 52cm (20½in) high. Estimate: £3,000 - 5,000, € 3,600 - 6,000, HK$ 37,000 - 61,000

Bonhams. Chinese & other Asian Works of Art, 29 Feb 2012, London, Knightsbridge www.bonhams.com