Watch List notes:

Otacilia Severa. Augusta, A.D. 244-249. Æ sestertius (28 mm, 17.30 g, 11 h). Rome, under Philip I and Philip II, A.D. 248. MARCIA OTACIL SEVERA AVG, diademed and draped bust of Otacilia Severa right / SAECVLARES AVGG, S C in exergue, hippopotamus walking right. RIC 200a. Full flan and legends, but rough dark green patina. Very fine.