Pseudo-autonomous issue. time of Gallienus (260-268 AD). AE 22.5 mm. Alexandria Troas mint, Troas. D/ ALEXA TRO. Turreted and draped bust of Tyche right; vexillum behind. R/ COL AVG. Horse grazing right; in exergue, TROAD. Bellinger A486. AE. g. 7.23 mm. 22.50 Weakness on obverse. EF.