Tranquillina. AR Antoninianus, Rome, AD 241. 4.54 g.

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

RIC IV 249; RSC 1. 
Very rare (R4)

With permission of Numismatica Ars Classica auction 42, Lot 156, Nov 2007