Watch List notes:

Trebonianus Gallus. A.D. 251-253. AR antoninianus (21.8 mm, 3.57 g, 11 h). Rome mint, struck A.D. 252. IMP C C VIB TREB GALLVS P F AVG, radiate, draped and cuirassed bust of Trebonianus Gallus right / FELICITAS AVG, Felicitas standing left, holding long caduceus and cornucopia. Malloy, Antioch Hoard of Gallienus 7; RIC 33 note var. (rev. legend); Cohen 33 note var. (same); RSC -. aVF, toned, rough surfaces. Very rare.

Very rare with AVG instead of AVGG reverse ending. Possibly a mule with a reverse of Volusian. This coin featured at Wildwinds.