HJB-Antoninus Pius, Mint State Denarius 

 
 138-161 AD, Mint State Denarius, Rome, 149-50 AD, 3.57g. BM-
670, C-281, and RIC-181. Obv: TR P XII. Rx: COS IIII Salus 
standing l. feeding serpent rising from altar and holding 
rudder on globe. . Mint State, reverse softly struck