Watch List notes:

Probus, 276-282. Antoninianus (Billon, 22 mm, 4.11 g, 11 h), Siscia, 277. IMP C M AVR PROBVS AVG Radiate, draped and cuirassed bust of Probus to right. Rev. FELICITAS AVG / Є / XXI Felicitas standing front, head to left, holding patera in her right hand and long caduceus in her left; to left, burning altar. Cohen 214 var. and RIC 675 var. (both with differing bust types). Apparently unpublished with this bust type. Good very fine.