| http://www.w3.org/ns/prov#value | - For uncarved malachite snuff bottle examples, see Bob Stevens, Snuff Bottles, New York, 1976, pp.169 & 174, pl.629 & 669; Moss, Graham & Tsang, A Treasury of Chinese Snuff Bottles: The Mary and George Bloch Collection, Vol.3, Stones other than Jade and Quartz, Hong Kong, 1998, pp.136-138, no.417, and sold in these rooms, 28 May 2010, lot 86.
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