Watch List notes:

Trebonianus Gallus Æ27 of Alexandria, Troas. AD 251-253. IMP VIB TREB GALLVS AVG, laureate, draped and cuirassed bust right / COL AVG TROAD, the priest Chryses standing facing, leaning on column topped by statue of Apollo Smintheos; low tripod to left. RPC online -; Bellinger, Troy -; cf. A275 and A479 for rev. type. 5.76g, 27mm, 6h.

Very Fine. Apparently unique and unpublished.