Watch List notes:

Troas, Alexandria Æ 22mm. Pseudo-autonomous issue, time of Trebonianus Gallus, circa AD 251-253. CO ALEX TR, turreted and draped bust of Tyche to right; vexillum behind / COL AVG, Alexander III of Macedon, raising hand, riding Bukephalos to left towards statue of Apollo Smintheus facing to right, holding patera, bow and quiver over shoulder; TRO in exergue. RPC IX, 468; Bellinger A475; SNG Copenhagen 101. 4.39g, 22mm, 12h.

Good Fine. Rare.

Ex Roma Numismatics Ltd., E-Sale 72, 25 June 2020, lot 407;
From a private UK collection.