Caracalla AE As, Dea Caelestis reverse

Caracalla (198-217 AD). AE As (22-23 mm, 4.25 g), Rome, 206-210 AD.
Obv. ANTONINVS PIVS AVG PONT TR P VI, Laureate, draped and cuirassed bust to right.
Rev. INDVLGENTIA AVGG IN CARTH / S-C, The Dea Caelestis, holding thunder-bolt and sceptre, riding on lion running right over wathers gushing from rock.
RIC 415c.

Rare. Dark, somewhat porous patina. Very fine.