Thyrrheion, Acarnania, AE18, 5.4 gr. Ca. 300-250 BC. Obv: Helmeted head of Athena right. Rev: QYRREIWN, Owl standing left; torch to left. SNG Cop. 413. Courtesy of Gitbud and Naumann, Pecunem Online Auctions Auction 4. June 2013.