c. 475/70 BC. Tetradrachm, 16.76g (1h). Obv: Head of Athena right, wearing crested Attic helmet, the truncation dotted. Rx: ΑΘΕ Owl standing right, head facing; in upper left field, olive twig and crescent moon. All within incuse square. Starr, Group I, p. 15, 5, pl. I (this coin). Seltman, Group N, p. 207, 412 (A274/P349), pl. XVIII (this coin). Cf. Svoronos, pl. 8, 1. Ex Gemini VII, 9 January 2011, lot 367, from the Rockefeller University/Dr. Alfred E. Mirsky Collection. Ex Charles Seltman Collection.