無名氏, 王渙像, 北宋. Anonymous, Portrait of Wang Huan, ca 1506. Northern Song, mid-11th century. Inv. F1948.10. Freer Gallery of Art Album leaf; ink and color on silk, 41.7 x 31.7 cm (16-7/16 x 12-1/2 in). For documenation, http://www.asia.si.edu/SongYuan/F1948.10/F1948-10.Documentation.pdf...