Lot 81. A black jade 'Turtle' seal, Six Dynasties (220–589); h. 3 cm, 1 ⅛ in. Estimate: 60,000 - 80,000 HKD. Lot sold 69,300 HKD. Courtesy Sotheby's.

the opaque jet-black square seal carved in high relief with a turtle, the area between the turtle's legs hollowed out, the seal face left uncarved.  

Property from the Hei-Chi Collection.

Literature: Jiang Tao and Liu Yunhui, Jades from the Hei-Chi Collection, Beijing, 2006, p. 132 bottom.