Pergamon, Mysia. AE Chalkoi, 0.83 g, 10.48 mm. ca. 300 BC. Obv: Head of Athena right, wearing crested Corinthian helmet. Rev: Head of Herakles right, wearing lion's skin headdress. BMC 22; Sear 3958. Courtesy of TimeLine Originals (www.time-lines.co.uk), Jan, 2011