An eighth-century tortoise-shell vanity box, said to be a gift from the Tang Dynasty palace to Emperor Shomu, will be auctioned in Hong Kong and may fetch more than $5 million, according to Sotheby's.
Click to open image viewer. Rectangular tortoise shell box (a) with hinged back, containing key (b). Oval, hinged and parcel-gilt medallion on top, engraved with flying crane and flowers. Catch on ...