Watch List notes:

Caracalla, 198 – 217. Aureus 215, AV 7.36 g. Laureate and cuirassed bust r. Rev. Caracalla in military attire, standing l., sacrificing over lighted altar before domed temple of Vesta, behind him, pontifex wearing apex, and a child; before him, two Vestales and a child. C –. RIC 272b var. (also draped). Calicó 27375a.
Very rare. Struck on a very broad flan, minor edge mark at twelve
o'clock on obverse, otherwise very fine