Alexandria, Troas. AE20, semi-autonomous. 138-268. 5.65 g. 

COL TROAD, turreted, draped bust of Tyche right, CO AV on vexillum behind head.
COL AVG TRO, Horse grazing right.

obv legend var of SNG von Aulock 7552; SNG Stockholm 2163; SNG Lewis 1322.

With permission of Münzen & Medaillen DE, Auction 21, Lot 587, May 2007.