Updated on 21 Aug 2018: Geert BAAS (1955) is an artist born in 1955 The oldest auction result ever registered on the website for an artwork by this artist is a drawing-watercolor sold in 2009, at De Zwaan Veilinggebouw, and the most recent auction result is a drawing-watercolor sold in 2009. Artprice.com's price levels for this artist are based on 1 auction results. Especially: drawing-watercolor.