Lot 3720. A rare white jade vajra, Ming dynasty (1368-1644); 8 cm, 3 1/8  in.. Estimate 150,000 — 180,000 HKD. Lot Sold 1,062,500 HKD (136,861 USD). Courtesy Sotheby's.

the centre well worked in the form of three rounded ribs interrupted with two constricted bands detailed with angular bands, each end of the vajra with four curved prongs surrounding a central angular shaft, each prong further detailed with scrollwork, the stone of an even white colour with faint russet inclusions.