Updated on 22 Apr 2018: Ni XIAO (XX) is an artist born in XX The oldest auction result ever registered on the website for an artwork by this artist is a drawing-watercolor sold in 2011, at JSL Art International Co., and the most recent auction result is a drawing-watercolor sold in 2011. Artprice.com's price levels for this artist are based on 1 auction results. Especially: drawing-watercolor.