This is a sarcophagus that is so similar to ones I know from the Izmir Archaeological Museum I can suppose its of the same type. From the text there "Clazomenae sarcophagi. Clazomenae is an ancient Ionian Greek city, located about 30 km west of Izmir (Smyrna). The city was founded on the mainland near the base of the Erythraean peninsula; it became part of the Ionian Dodecapolis and was well known for its painted terracotta sarcophagi (7th and first half of the 6th century BC)."