It could be the personal collection of Wordsworth.: hetian jade vajra.Specification: length 22 cm width 3.15 cm weighs 194.3 g.Xinjiang hetian seed makings, the quality of the jade restrain propionibacterium acnes, density is high, the whole device modelling delicate, adept knife method and exquisite, smooth lines, burnish is very delicate, meticulous workman, and with makings fastidious, beautiful shape, dignified appearance.