Watch List notes:

Attica, Athens (454-404 BC), AR Tetradrachm, 17.02g, helmeted head of Athena right, rev. Owl, sprig and crescent moon with AOE all in incuse square (Kroll 8; SNG Copenhagen 31; SNG München 49; HGC 4, 1597), well-centred on an irregular flan, bright and lustrous, a really good very fine.
Provenance
Purchased Harlan J Berk, 2008
Estimate: £420 - £550