ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (23mm, 17.16 g, 3h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive sprig and crescent behind; all within incuse square. Kroll 8; HGC 4, 1597. EF, underlying luster. Well centered.
From the Allan Smith, M.D. Collection. Ex Triton XVIII (6 January 2015), lot 513.