MYSIA. Lampsakos. Obol (Circa 500-450 BC).

Obv: Janiform female head.
Rev: Helmeted head of Athena left; S or serpent to right; all within incuse square.

SNG BnF 1127-8 var. (no S on rev.); CNG E-454, lot 135; Roma Numismatics E-89, lot 486.

Rare symbol

Condition: Very fine.

Weight: 0.93 g.
Diameter: 11 mm.