ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (21mm, 17.16 g, 7h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive sprig behind; all within incuse square. Kroll 8; HGC 4, 1597. VF, toned. Struck on a compact flan.
From the J. Eric Engstrom Collection.