Caracalla Sestertius. 

Obv: M AVR ANTONINVS CAES, draped bust right 
Rev: SECVRITAS PERPETVA, Minerva standing left, resting right hand on shield 
 and holding spear with point downwards, in left hand: S-C across fields. 

RIC III, 399, rated scarce.

Contributed by Dane for George Clegg (biggyg2), August, 2006.