Keisai Eisen, An Erotic Picture Book of Snow on Fuji (Enpon fuji no yuki), Japan, Edo period (16151868), Keisai Eisen (Japanese, 17901848), 1824, Japan, Woodblock printed book; ink and color on paper, 8 3/4 ? 6 1/4 in. (22.2 ? 15.9 cm), Illustrated B