Example image of eyePlorer eyePlorer map for 'Engraved gem': Gemstone Cameo (carving) Engraving Relief Jewellery Cup of the Ptolemies Hardstone carving Cylinder seal Seal (emblem) Signature Lathe Emery (mineral) Naxos Island Theophilus Presbyter Indus Valley Civilization Near East Assyria Cyprus Mesopotamia Art in ancient Greece Helladic period Hellenistic period Egyptian hieroglyphs Phoenicia Scarab Centimetre Chios Heron Sassanid Empire Farnese Cup Glass casting Gonzaga Cameo Alexander the Great Cicero Cameo glass Portland Vase Middle Ages Byzantium Carolingian art Quartz British Museum Cabinet des Médailles Frederick II, Holy Roman Emperor Charter Charles VII of France John, Duke of Berry Sapphire Renaissance Venice Sarcophagus