Alexandreia Troas. semi-autonomous issues. AD 138-268. AE20, 4.09 g. 

COL TROAS, Turreted and draped bust of Tyche right, CO AV on vexillum behind.
COL AVGO TRO, eagle standing front, head left, wings spread, on forepart of bull right.

SNG Tuebingen 2536.

With permission of cngcoins.com, Jan 2014.