ORC5371 Caracalla sest., dynastic reverse

Caracalla, AE sestertius, (20.15g) 210 AD, 

M AVREL ANTONINVS PIVS AVG Laureate head right.
PONTIF TR P XIII COS III Caracalla and Geta standing facing one another, sacrificing over altar, veiled Concordia standing in background. 

RIC 452a. 
Rare type.

seller oldromancoins.com on ebay, March 2003.