[Authenticity guaranteed] Gutai Art Association, Uemae Tomosuke, oil painting (representative works: sawdust works, Yoshihara Jiro, Yoshihara Michio, Tanaka Atsuko, Shiraga Kazuo, Motonaga Sadamasa, Shimamoto Shozo, Matsuda Yutaka, Horio Sadaharu), Painting, Oil painting, Abstract painting