Updated on 26 Apr 2018: Kookhyun GA (1958) is an artist born in 1958 The oldest auction result ever registered on the website for an artwork by this artist is a painting sold in 2012, at Seoul Auction, and the most recent auction result is a painting sold in 2012. Artprice.com's price levels for this artist are based on 1 auction results. Especially: painting.