Ogata Korin - Irises screen 2. 18th Century Japan. Public domain image.

Irises (紙本金地著色燕子花図, shihonkinjichoshoku kakitsubata zu). One of two six-section folding screens (byōbu), 150.9 x 338.8 cm each. Right screen (右隻) . Ink and color on paper with gold leaf background. Located at the Nezu Art Museum, Tokyo. Formerly held by the Nishi Honganji, Kyoto. The screen has been designated as National Treasure of Japan in the category paintings.