https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13958644Edit ImageSaveSaveEditCropCustom TextA queen dressed in blue, representing mercury, in a crowned alchemical flask. Watercolour painting by E.A. Ibbs.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 636 x 1200 px | 300 dpiLarge JPEG 1854 x 3500 px | 300 dpiBest Quality JPEG 1925 x 3634 px | 300 dpiFree DownloadA queen dressed in blue, representing mercury, in a crowned alchemical flask. Watercolour painting by E.A. Ibbs.More