Landscape with rainbow, shepherds and sheep, 1648, Lucas Van Uden https://www.rawpixel.com/image/8864385/landscape-with-rainbow-shepherds-and-sheep-1648Free Image from public domain licenseOravais, original drawing for finland depicted in drawings, 1844 - 1846 by Johan Knutson https://www.rawpixel.com/image/9818362/image-art-vintage-illustrationFree Image from public domain license