Watch List notes:

TROAS, Alexandria. Gallienus. AD 253-268. Æ (5.04 gm; 20 mm). IMP LICIN GALLIENV, laureate and draped bust right / COLAVG O, TRO in exergue, horse grazing to right. Cf. Bellinger A454. Sharply struck. Wonderful original dark green patina. Choice Superb.