Hemidrachm Patrai

The Achaean League's federal coinage was a deliberate political instrument — member city-states surrendered the right to strike silver in their own names, with Patrai among the cities whose local identity survives only as a mintmark on League issues. This hemidrachm falls within a politically turbulent window: the League had just navigated the Roman-Seleucid War and was beginning to feel the weight of Roman interference in Greek affairs that would eventually end the League entirely at Corinth in 146 BC.

HGC 5#51 is among the commoner Patrai attributions, though the mint control marks on individual specimens repay close attention.