Dorney- Athens Tetradrachm, Athena / Owl VF $267.98 May-18-00 Kenneth W. Dorney Classical Numismatist Presents: Attica, Athens, 186-86 BC. Silver Tetradrachm. Obv: Helmeted head of Athena right. Rx: Owl standing pon prostate amphora. SNGCop153 Light toning, nicely centered and struck.