Marcus Aurelius as Caesar under Antoninus Pius, AE Sestertius. AD 148-149, 32mm, 19.82g. 

AVRELIVS CAESAR AVG PII F, bare head right. 
TR POT III COS II, Pietas standing left, holding sceptre and 
extending right hand over child standing to left. 

RIC 1281 (Pius); Cohen 446. 

With permission of Naville Numismatics Auction 20, Lot 554, Feb. 2016.