Image Enlarged and enhanced for study Athens, Attica 159/8 (July - August 159 BCE) AR Tetradrachm (New Style) 16.35 gr. Obverse: Head of Athena R. in Double Crested helmet. Reverse: Owl standing facing on Amphora, all in wreath. Cicada in left field. B on amphora. A-QE LY-SAN GLAY-KOS NIKWN ME below Amphora - Th. 432/431b.