Caracalla AE sestertius, AD 198-217. Rome, struck AD 213. 33 mm, 27.21 g. 

M AVREL ANTONINVS AVG BRIT, laureate, draped and cuirassed bust right.
P M TR P XVI IMP II around, COS IIII P P S S below, view of the Circus Maximus seen from the Forum Boarium: arcade of fourteen arches with a large triumphal arch at each end with shrines at the sides; spina with central obelisk on the left, with a fountain and an srchway surmounted by a racing biga to left, a trophy, a fountain and equestrian statue of Trajan to right. 

RIC 500a; BMC 251; Cohen 236. 

With permission of Numismatica Ars Classica - Spring Sale 2020, Lot 1138, May 2020.