Art collector Lex van de Haterd saw the print during an appraisal afternoon in the Eemhuis in Amersfoort and immediately saw that it must be an old copy. “And yes, if it really comes from the seventeenth century, then you have something special on your hands.” Further investigation revealed that it was an original image from a 1705 book about the De Witt brothers, two politicians who were brutally murdered in 1672.