White jade nephrite ritualistic mask, made in Early Qing dynasty in the style of Shang dynasty. Weight: 1 lb. 12 oz. = 800 g; Height: 9.25 in. = 23.7 cm; Width: 6.5 in. = 16.7 cm. Authenticity report: according to the opinion of Frank Aon (Orenda Lab): early Qing dynasty (by tool signatures) in the style of Shang dynasty. Provenance: from private collection in USA, purchased in 1980's. This jade mask is accompanied by certificate of authenticity. Condition: Very good, no defects; there is some dirt, which is hard to remove (I keep it for authenticity). Low Estimate: 15000; High Estimate: 30000; Original: Yes; Terms of sale: All sales are final! Buyer assumes all responsibility! No refunds will be given under any circumstances! No returns! Please, ask all you questions before you bid! If you have any doubts - do not bid!