Alexandreia Troas. semi-autonomous issues. AD 138-268. AE21, 4.24 g. COL TROA, Turreted and draped bust of Tyche right, AV C on vexillum behind. COL AVGO TRO, eagle standing front, head left, wings spread, on forepart of bull right. Mionnet II, 95. With permission of Fritz Rudolf Künker GmbH , Auction 226, Lot 440