https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13968297
A policeman (Granville George Leveson-Gower, 2nd Earl Granville) restrains another policeman (Gladstone) from interfering in a fight between the Mahdi and General Gordon next to Cleopatra's Needle on the River Thames. Colour lithograph by T. Merry, 1884.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use