A green jadeite archaistic brush washerRepublic periodThinly sectioned and deeply undercut in the shape of a Han dynasty bronze cash with canted walls and flat base raised on five feet carved as swimming ducks, a handle in the form of a horned dragon crawling up one side, the subtly polished surfaces marked with spinach green veins and the head of the dragon showing a patch of pale apple green.4 1/4in (11cm) long注脚Provenance:Property from a San Francisco Bay Area CoupleBy repute, Sotheby's, New York Arcade Auctions, lot 283