HistoricalCoins New Search 185650. SICILY, Syracuse. Time of Dionysios I. 406-367 BC. AV 10 Litrae - Didrachm (10mm, 0.66 gm). Struck circa 406-405 BC. SOLD $2250 SICILY, Syracuse. Time of Dionysios I. 406-367 BC. AV 10 Litrae - Didrachm (10mm, 0.66 gm). Struck circa 406-405 BC. SURA (retrograde), head of Athena left wearing crested Attic helmet / Aegis with gorgoneion in center. Boehringer, Dionysios 9; SNG ANS 316; Rizzo pl.48, 6. Toned EF. Rare this nice! Copyright © CNG 2002 Developed by DataArt 2002 From the CNG online Coin Shop, before May, 2004. By permission of CNG, www.cngcoins.com.