Gesture drawingGesture drawingGesture drawingGesture drawingGesture drawingContour studyContour study with searching lineContour studyInk wash value studyInk wash value studyContour study focusing on additive value rendering Ink wash with charcoal additive value studyValue study Value studyValue studyGouache gesture drawingGouache studyGouache studySelf portraitPortraitSelf PortraitGouache portrait