Hokusai's The Studio, illustration for The White Shell (Shiragai), from the series A Matching Game with Genroku-period Poem… https://www.rawpixel.com/image/7638975/original-from-the-art-institute-chicagoFree Image from public domain licenseHokusai's Freshly-Picked Flowers in a Traveler’s Hat, illustration for The Thousand-grasses Shell (Chigusagai), from… https://www.rawpixel.com/image/7639116/original-from-the-art-institute-chicagoFree Image from public domain license