https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14005887Edit ImageSaveSaveEditCropCustom TextA devious itinerant medicine vendor and assistant perform their sales pitch to a suspicious audience, against the backdrop of the Tower of London. Etching, 1792.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 773 px | 300 dpiLarge JPEG 3300 x 2127 px | 300 dpiFree DownloadA devious itinerant medicine vendor and assistant perform their sales pitch to a suspicious audience, against the backdrop of the Tower of London. Etching, 1792.More