Attica, Athens, New Style. Tetradrachm; Attica, Athens, New Style; Ammo/Dio/Kerchnos (Eleusinian cult vessel); c.185/180-145 BC, Tetradrachm, 16.75g. Thompson-98, new rev. die with M on amphora. Obv: Helmeted head of Athena r. Rx: Owl standing r. on amphora, head front; ethnic and magistrates' names l. and r., kerchnos in lower l. field, M on amphora; all within olive wreath. Acquired from Ancient Delights, January 2015.. VF