L'homme au masque de fer - Political cartoon, public domain image

Print shows a prisoner in chains and wearing an iron mask sitting on a bench in a prison cell, and another man with a lantern and a tray of food entering the cell in the Bastille.

Possibly purchased by George IV from William Holland in 1790. Source: Kate Heard, Royal Collection Trust, Windsor Castle.
Forms part of: French Political Cartoon Collection (Library of Congress).