MYSIA. Lampsakos. Obol (Circa 500-450 BC).
Obv: Janus-faced female head with diadem and earring.
Rev: Head of Athena within incuse square right, wearing Corinthian helmet; monogram behind. Gaebler, Nomisma XII 18.
Condition: Extremely fine.
Weight: 1.0 g.
Diameter: 11 mm.