Athenian decadrachm, 467–465 BCE

"Athenian decadrachm, 467–465 BC: Head of Athena wearing crested Attic helmet. Rev: Owl standing facing, ΑΘΕ (ΑΘΗΝΑΙΩΝ – of Athenians). Commemorative issue, representing the Athenian military domination."

 

Source/Quote:

https://www.wikizero.com/en/History_of_Athens