Remarkably inventive, this unusual double portrait plays with sophisticated concepts of absence and presence and of the role… https://www.rawpixel.com/image/7665557/image-art-vintage-public-domainFree Image from public domain licenseStudy of the Head of a Bearded Man by Giovanni Girolamo Savoldo https://www.rawpixel.com/image/14247583/study-the-head-bearded-man-giovanni-girolamo-savoldoFree Image from public domain license