501. Athens. After 393 BC. AR Tetartemorion (0.17 gm). Helmeted head of Athena right / Crescent. SNG Copenhagen 78. Toned VF. Rare, well centered with almost full head. ($200) CNG Mail bid sale #58, 18 Sept 2001, lot 501. Lot sold for $250. Used by permission of CNG, www.historicalcoins.com