BITHYNIA, Dia, Time of Mithradates VI Eupator (ca 85-65 BC) AE ( Bronze. 7.87 g. 21 mm))
Laureate head of Zeus to right
Rev: ΔIAΣ - Eagle standing left on thunderbolt, wings spread and head to right; to left, monogram.
HGC 7, 453. SNG von Aulock 347