https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13978857
A snake, slender and dark brown in colour, with pale patches between two white dotted lines, which run along the length of the back. Watercolour, ca. 1795.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use