Troas, Alexandreia. Gallienus AD 253-268. AE (22mm, 6.58g). AVOL TRO, turreted and draped bust of Tyche right; vexillum behind / COL AVG TRO, horse grazing right. Bellinger A486; SNG Von Aulock 1466; McClean 7763-7765; SNG Copenhagen 108-113.