A man preparing a plaster. Oil painting after David Teniers the younger. https://www.rawpixel.com/image/13988373/man-preparing-plaster-oil-painting-after-david-teniers-the-youngerFree Image from public domain licenseA man praying to Christ for the health of a person in bed. Oil painting, bears date 1818. https://www.rawpixel.com/image/13976745/image-frame-christ-personFree Image from public domain license