Obv: IVLIA MAMAEA AVGVSTA, diademed and draped bust right
Rev: FELICITAS PVBLICA, S-C, Felicitas standing left, legs crossed, leaning on column and holding caduceus.
RIC IV 676 (Severus Alexander); BMCRE 487 (Severus Alexander); Cohen 21. VF, dark brown patina. A bit rough surfaces.
Ex Lepczyk Auctions, East Lansing, MI, Sale 61 (March 13-14, 1985), lot #448 (plated). Coin looks a bit darker than the image.