https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13968868Edit ImageSaveSaveEditCropCustom TextA red-faced king stands in a red robe, flanked by a queen and the deity Mercury in green clothes; representing a stage in the process of alchemy. Coloured etching, ca. 18th century.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 897 x 1200 px | 300 dpiLarge JPEG 2250 x 3010 px | 300 dpiFree DownloadA red-faced king stands in a red robe, flanked by a queen and the deity Mercury in green clothes; representing a stage in the process of alchemy. Coloured etching, ca. 18th century.More