Marcus Aurelius AE As, struck as Caesar under Antoninus Pius. AD 145. Rome. 26 mm; 14 g. 

AVRELIVS CAESAR AVG PII F COS II, bare head right. 
S-C across fields, Minerva walking right, wielding spear 
and holding shield on left arm.

RIC 1263 (Pius); Cohen 577-578; BMCRE 1800 note. 

With permission of Gitbud & Naumann Auction 23, Lot 827, Oct. 2014.