https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13994842Edit ImageSaveSaveEditCropCustom TextNeptune presiding over a businessman making money through investment and a man drinking beer; representing the phlegmatic temperament. Etching by J.D. Nessenthaler.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 692 x 1200 px | 300 dpiLarge JPEG 1000 x 1735 px | 300 dpiFree DownloadNeptune presiding over a businessman making money through investment and a man drinking beer; representing the phlegmatic temperament. Etching by J.D. Nessenthaler.More