Alexandria Troas. semi-autonomous issue. AE 20mm. 4.9 g. AD 138-268. COL TRO, Turreted and draped bust of Tyche right, AV COL on vexillum behind COL AV TRO, eagle standing right, wings spread, on forepart of bull right. Mionnet Supp. V, 111. This legends combination not in Bellinger. Correct ref. added, May 2015. With permission of Numismatik Lanz, auction 97, lot 306.