Time Machine - Ancient Roman Coins October 26, 1999 Lot: 78 Roman. Ancient. Otacilia Severa. Antoninianus. (SR 2633) Silver. Grade:XF Circa 244-249 AD, Diad. and dr. bust r., crescent beneath bust/Rev. Hippopotamus stg. r., weakly struck in spots--still very nice, Est. 175 [L459272] Next Bid: $115.00 [t100g78.JPG]