A Thicket of Pictures Without Shapes (Fukei gasō) 不形画藪

The image shows an open book with two pages featuring a Japanese-style illustration. The illustration spans both pages, depicting a man on horseback. The man wears a patterned top and holds a long staff in one hand. He sits on top of a black horse that is rearing up on its hind legs. The horse on the left page faces left, has a blue face, and is adorned with red and orange reins and a red and orange saddle blanket. The background of the illustration is a light beige color with darker beige brushstrokes. The pages have a yellowed appearance with darker yellow edges. Small Japanese characters are printed vertically along the inside edges of both pages. The book is set against a white background.