Apollonia Pontika, Thrace. 5th-4th Century. AR Hemiobol. 0.14 gr, 5.39 mm. 

Obv: Anchor, A in field
Rev: Cross with two parallel lines in each quadrant. 

SNG BM 149; Moushmov 3146.

Courtesy of TimeLine Originals (www.time-lines.co.uk), Jan, 2010