Watch List notes:

ATTICA, Athens. Late 6th century-485/0 BC. AR Tetradrachm (19.5mm, 16.47 g, 10h). Helmeted head of Athena right / Owl standing right, head facing; olive spray behind; all within incuse square. Cf. HGC 4, 1588–90. VF, toned, rough surfaces, off center on reverse.