Lot Essay
                                For three agate bottles of this distinctive form, and attributed to the Palace Workshops, Beijing, see H. Moss, V. Graham and K.B. Tsang, A Treasury of Chinese Snuff Bottles, The Mary and George Bloch Collection, Vol. 2, Part 2, Quartz, Hong Kong, 1998, nos. 348, 358 and 359. 
                            
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