Watch List notes:

Otacilia Severa, Augusta, 244-249. Antoninianus (Silver, 23 mm, 3.67 g, 7 h), Rome, 248. OTACIL SEVERA AVG Diademed and draped bust of Otacilia Severa set on crescent to right. Rev. SAECVLARES AVGG / IIII Hippopotamus walking right. Cohen 63. RIC 116b. A lustrous example with a particularly charming reverse. Extremely fine.