A DENDRITIC SHADOW AGATE SNUFF BOTTLEOfficial School, 1770-1880 of rounded square shape with short cylindrical neck, the stone of dark honey tone with attractive darker inclusions carved to depict a boy standing on a rock holding a branch with a bird atop; stopper. 2 1/8in (5.4cm) high 1770-1880 頒賜類 瑪瑙皮影童子圖鼻烟壺 Provenance: Henry and Lynn Prager Robert Kleiner, The Henry and Lynn Prager Collection , June 1998 Barbara and Marvin Dicker, Florida , San Francisco, The Barbara and Marvin Dicker Collection , 23 June 2015, lot 7150 來源： Henry與Lynn Prager舊藏 Robert Kleiner古董行，《The Henry and Lynn Prager Collection》，1998年6月 佛羅里達州Barbara與Marvin Dicker舊藏 舊金山邦瀚斯，《The Barbara and Marvin Dicker Collection》，2015年6月23日，拍品編號7150 For other examples of Official School dendritic agate bottles with darker shadows or inclusions set against a yellowish-brown stone matrix and further discussion of the group as a whole, see Hugh Moss, Victor Graham and Ka Bo Tsang, A Treasury of Chinese Snuff Bottles, The Mary and George Bloch Collection, Vol. 2, Part II, Quartz , pp. 298-302, nos. 291 and 292. See also Robert Kleiner, Treasures from The Sanctum of Enlightened Respect, Chinese Snuff Bottles From the Collection of Denis Low , Singapore, 1999, p.208, no. 179 for an another bottle of similar type.