A NEOLITHIC JADE BIRD-HEAD FORM FINIAL Hongshan culture, circa 3500-2500 B.C.A NEOLITHIC JADE BIRD-HEAD FORM FINIALHongshan culture, circa 3500-2500 B.C.Carved as the profile of a seagull-like bird, the eyes in the shape of the crescent and its long beak slightly open, the stone mottled orange-brown softly polished. 3 1/4in (8.3cm) length; 2 1/4in (5.7cm) high新石器時期 紅山文化 玉鳥頭形丈頂Compare the closely related finial attributed to the late Hongshan culture, in the collection of the National Palace Museum, Taipei, illustrated by Teng (ed.), Jingtian gewu: Zhonggup lidai yuqi daodu, Taipei, 2011, p. 57, nos. 4-5-10a and 4-5-10b, described as the finial for a staff.