Watch List notes:

Attica. Athens circa 430-420 BC.
Tetradrachm AR

25 mm, 17,18 g

Helmeted head of Athena right, with frontal eye / AΘE, Owl standing right, head facing; olive spray and crescent to left; all within incuse square.

very fine, test cut

Kroll 8. Svoronos pls. 12-13 passim.