A banded agate snuff bottle, 1800-1920. Photo Bonhams Of compressed ovoid form, well-hollowed with concave lip and straight foot enclosed in an oval footrim, the stone a dynamic combination of translucent and opaque ivory, caramel, and russet striations;...

Three Roman gold-mounted sardonyx cameos. Circa 1st-2nd century A.D. and 3rd century A.D. Photo: Christie's Images Ltd. 2010 All once serving as the central element of an elaborate necklace of the 3rd century, each cameo mounted in an oval bezel with...

A banded agate snuff bottle 瑪瑙玉帶紋鼻煙壺 Of elegant tapered cylindrical form with recessed footrim inscribed yi jin zhai 詒晉齋 "appreciation of imperial favor studio", the stone exhibiting graduated bands of white and beige rings, very well hollowed out, coral...