Chalkon: coin of ancient Greek city-state Olbia; 2 lepton
Antoninianus: coin of Roman Empire (III century)
Wheel money: coin of Istros (500-400 BC)
Follis: coin of Roman Empire (III-IV centuries)
Celtic tetradrachm: coin of celts in Central and Eastern Europe (300-50 BC)
Dichalkon: coin of ancient Greek city-state Olbia (400-90 BC)