Tranquillina. AE As, Rome, AD 241. 8.18 g. 

SABINIA TRANQVILLINA AVG, diademed and draped bust right.
CONCORDIA AVGG, SC below, Concordia seated left, holding patera and double cornucopiae. 

RIC IV 340b; Cohen 3.
Very rare, R4.

Image courtesy of the British Museum, inv. no. BNK R163.