Watch List notes:

Attica, Athens Obol circa 421-415 BC, AR 7.30 mm., 0.28 g.
Attica, Athens Obol circa 421-415, AR 10mm., 0.57g. Head of Athena r., wearing Attic helmet decorated with olive leaves and palmette. Rev. Owl standing r.; in l. field, olive sprig and crescent. All within incuse square. Svoronos pl. XIII, 41

Very fine