?????, Su Shi Riding a Donkey, Muromachi period (1392?1573), early 15th century, Japan, Hanging scroll; ink and gold on paper, Image: 22 1/2 ? 10 1/4 in. (57.2 ? 26 cm), Paintings, Bokudo Sojun (Japanese, 1373?1459), This sparse painting of a man and