Martyrdom of Saint Martina by Antonio Gherardi, (Il Reatino) https://www.rawpixel.com/image/8995659/martyrdom-saint-martina-antonio-gherardi-il-reatinoFree Image from public domain licenseWheellock Rifle of Emperor Leopold I by Johann Georg Maucher https://www.rawpixel.com/image/8930158/wheellock-rifle-emperor-leopold-johann-georg-maucherFree Image from public domain licenseMirror Showing King Charles II, Queen Catherine of Braganza, and Scenes from the Old Testament https://www.rawpixel.com/image/9034801/image-frame-person-patternFree Image from public domain licenseThe Sons of Niobe Being Slain by Apollo and Diana by Jan de Bisschop https://www.rawpixel.com/image/14247660/the-sons-niobe-being-slain-apollo-and-diana-jan-bisschopFree Image from public domain license