PEGASI Rome Marcus Aurelius Æ As Mars 172 AD MARCUS AURELIUS, 161-180 AD. Æ As (10.23 gm) of 171 - 172 AD. Laureate head / Mars holding shield and spear. RIC.1108. BMC.1482. VF, green-brown patina. ex Vermeule [Est $175] Pegasi Numismatics, PO Box 131040, Ann Arbor, MI 48113.