Swallow with Peony (1900 - 1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/436544/free-illustration-image-peony-japan-vintageFree Image from public domain licensePeonies from the late 1200s (China, Yuan dynasty). Original from The Cleveland Museum of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2446475/free-illustration-image-chinese-painting-peony-flowerFree Image from public domain license