Alternative Designs for a Metal Gate (1820), vintage arched, iron gate illustration. Original public domain image from The… https://www.rawpixel.com/image/12230717/image-art-vintage-illustrationFree Image from public domain licenseHoly Family with Saint Anne (recto); Figure Sketches (verso) by Pietro Testa https://www.rawpixel.com/image/14246947/holy-family-with-saint-anne-recto-figure-sketches-verso-pietro-testaFree Image from public domain license