Alexandreia Troas. semi-autonomous issues. AD 138-268. AE20, 4.39 g. 

ALEXA TRO, Turreted and draped bust of Tyche right, CO AV on vexillum behind. 
CO AVG TR, eagle standing right, wings spread, on forepart 
of bull right. 

Helios 5, Lot 678. Legend combination not in Bellinger. 

With permission of Helios Numismatik, Auction 5, Lot 678, June 2010