Updated on 24 Apr 2018: Nils OBEL (XX-XXI) 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 New Orleans Auction, and the most recent auction result is a drawing-watercolor sold in 2012. Artprice.com's price levels for this artist are based on 15 auction results. Especially: drawing-watercolor.