11 12 15 18thcentury 19thcentury 20thcentury 6 antiquities archaeologists archaeology archaeologyandhistory artandthewar athens chalices classicalantiquities collectionandpreservation culturalproperty elginmarbles euphronius excavations(archaeology) greatbritain greece history humantrafficking illegalarmstransfers internationalcooperation italy lf1800 mediterraneanregion prevention red-figured repatriation restitution rome smuggling trojanwar vases