Plum (Prunus species): fruiting branch with partly peeled fruit. Colour stipple engraving by A. Verico, c. 1817, after D.… https://www.rawpixel.com/image/13970290/image-plant-leaf-public-domainFree Image from public domain licenseNicolaus Copernicus. Line engraving by A. Verico after F. Pieraccini. https://www.rawpixel.com/image/14017148/nicolaus-copernicus-line-engraving-verico-after-pieracciniFree Image from public domain license