https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13964266
A standing skeleton: back view, with left arm extended and outline diagrams showing the bones of the hands and feet. Engraving by T. Milton, 1805.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use