Roman Empire silver coin denarius laureate head of Caracalla, reverse Mars RIC88

Roman Empire silver coin denarius laureate head of Caracalla, reverse Mars advancing right with spear and trophy.  Sear 6862 (Vol.2) RIC 88

19mm. 2.24g.

(Rome 207AD minted)

Caracalla, b. 188 assassinated 217AD in Mesopotamia,  Most notable act? the grantin of Roman citizenship to virtually every free inhabitant of the Empire under the terms of the Constitutio Antoniniana.