Troas, Alexandria Troas. Pseudo-autonomous. Time of Trebonianus Gallus, A.D. 251-253. AE 22 (20.5 mm, 4.55 g, 1 h). COL TROA, turreted and draped bust of Tyche right, vexilla at her shoulder / COL AVG / TROA, horse grazing right. RPC IX, 475; Bellinger A486; SNG Copenhagen 108. VF.