A Chinese two-tone agate libation cup, 19th/20th century, the white stone cup formed as a lotus leaf within a cagework of iron red lotus flowers, leaves and scrolling stems, length 13.5cm (minor chips), with carved green stained rockwork stand (minor chips and losses). Provenance: from the estate of the late Nigel Pollitzer, adopted son of multimillionaire George Pollitzer and his wife Esme and former friend of Sarah, Duchess of York.