*Rare archaic period imitation*
Attica, Athens. Early 5th century BC AR Tetradrachm (Silver, 21mm, 17.19g). Contemporary imitation.
Obv: Head of Athena right, wearing round earring and crested Attic helmet decorated with tiny spiral on the bowl (behind her ear)
Rev: Owl standing right, head facing; olive sprig to left, ΔΘE to right; all within incuse square.
Cf. Seltman pl. XXIII, 12 = Svoronos, Monnaies, pl. 2, 38.