VisualArtwork

{
      "@context": "https://schema.org",
      "@type": "VisualArtwork",
      "name": "La trahison des images",
      "alternateName": "The Treachery of Images",
      "image": "http://upload.wikimedia.org/wikipedia/en/b/b9/MagrittePipe.jpg",
      "description": "The painting shows a pipe. Below it, Magritte...",
      "creator": [
        {
          "@type": "Person",
          "name": "René Magritte",
          "sameAs": "https://www.freebase.com/m/06h88"
        }
      ],
      "width": [
        {
          "@type": "Distance",
          "name": "940 mm"
        }
      ],
      "height": [
        {
          "@type": "Distance",
          "name": "635 mm"
        }
      ],
      "artMedium": "oil",
      "artworkSurface": "canvas"
    }