A rare duan stone 'dragon' snuff bottle (1780-1850). Of flattened spherical form, carved in low relief to one side with two vigorous dragons undulating through clouds, the opposing side with a circular panel, the narrow sides flanked with a pair of mock lion mask-and-ring handles. Provenance: Joseph Kosel, Florida. Acquired 1974 Compare a similar example from the Barbara and Marin Dicker Collection, sold by Bonhams, New York, 16 March 2015, lot 1026 . See last two images.