https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13951705Edit ImageSaveSaveEditCropCustom TextAn alchemist making gold. Oil painting by Hendrik Heerschop, 1665.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 940 px | 300 dpiLarge JPEG 3500 x 2741 px | 300 dpiBest Quality JPEG 4688 x 3672 px | 300 dpiFree DownloadAn alchemist making gold. Oil painting by Hendrik Heerschop, 1665.More