Watch List notes:

TROAS. Alexandria Troas. Pseudo-autonomous issue. 'As' (Bronze, 22 mm, 5.91 g, 12 h), mid 3rd century. ALEXA TRO Turreted and draped bust of the city-goddess to right, with vexillum inscribed CO / AV behind. Rev. COL AV / TRO Horse grazing right. Bellinger A486. Minor adjustment marks, otherwise, about extremely fine.