Watch List notes:

Postumus. Romano-Gallic Emperor, AD 260-269. AR Antoninianus (23mm, 2.61 g, 12h). Treveri (Trier) mint. 1st emission, 3rd phase, AD 261. Radiate, draped, and cuirassed bust right / Fides standing facing, head left, holding two signa. RIC V 59; Mairat 22; AGK 21; RSC 67a. Light tone, small flan crack. Good VF.