Marcus Aurelius (161-180). AE Sestertius, 172-177 AD. D/ M ANTONINVS AVG TR P XXVIII. Laureate bust right. R/ RELIG AVG IMP VI COS III SC. Mercury standing left on pedestal, holding caduceus and purse, within tetrastyle temple; on tympanum, a tortoise, cock, ram, caduceus, winged helmet and purse. RIC 1075; C. 535 (Fr. 25). AE. g. 18.42 mm. 30.00 R. Rare and interesting architectural type. Lovely light green patina. VF.