https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13962028Edit ImageSaveSaveEditCropCustom TextProtesting licentiates marching to the Royal College of Physicians in 1767. Coloured etching by J. June, 1768.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 862 px | 300 dpiLarge JPEG 3351 x 2408 px | 300 dpiFree DownloadProtesting licentiates marching to the Royal College of Physicians in 1767. Coloured etching by J. June, 1768.More