A VERY RARE PALE GREEN JADE SQUARE BOX AND COVER Yong nian two-character mark, late Ming Dynasty The slightly convex cover deftly incised with flowering branches and a bird, the rim and box with a key-fret border, raised on a slightly spreading channelled foot, the recessed base with an incised Yong nian (perpetual years) mark, the stone of pale green tone with minor russet inclusions. 6.4cm (2 1/2in) square. (2). Footnotes: Please note this Lot is to be sold at No Reserve. 本拍品不設底價 明晚期 青白玉雕花鳥圖方蓋盒 「永年」刻款 Compare three related pale green jade square boxes and covers, Ming dynasty, in the Qing Court Collection, one with a Zi Gang mark and another with a Lu Zi Gang mark, illustrated in Compendium of Collections in the Palace Museum: Jade 7 Ming Dynasty, Beijing, 2011, nos.232, 233 and 235. For further information on this lot please visit Bonhams.com