Closeup of blue geode. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285977/free-photo-image-gem-geode-gemstoneFree Image from public domain license
Fragmentary cameo sculpture with a theatrical mask and seated figure https://www.rawpixel.com/image/14258501/fragmentary-cameo-sculpture-with-theatrical-mask-and-seated-figureFree Image from public domain license