Attica, Athens, 454 - 404 BC
Silver Tetradrachm, 24mm, 16.65 grams
Obverse: Helmeted head of Athena right with frontal eye wearing crested Attic helmet decorated with olive leaves and spiral palmette.
Reverse: Owl standing right with head facing, olive sprig and crescent on left, all within incuse square.
Kroll 8
Slightly underweight at about one gram under averge, possibly an Egyptian or eastern imitation.