Two men share a joke about leeches in front of a pharmacy window. Coloured pen and ink drawing by Blondeau. https://www.rawpixel.com/image/13970549/image-cartoon-person-bookFree Image from public domain licensePortret van Ludwig van Beethoven (1902) by Antoon Derkinderen https://www.rawpixel.com/image/13762130/portret-van-ludwig-van-beethoven-1902-antoon-derkinderenFree Image from public domain license