Watch List notes:

Otacilia Severa. Augusta, A.D. 244-249. AR antoninianus (22.57 mm, 4.72 g, 12 h). Rome mint, struck A.D. 248-249. OTACIL SEVERA AVG, diademed and draped bust right, set on crestent / SAECVLARES AVGG, Hippopotamus walking right; IIII in exergue. RIC 116b (Philip I); RSC 63; Hunter 10. Good EF.