Domitian as Caesar, AE Sestertius. AD 80-81. 

CAES DIVI AVG VESP F DOMITIANVS COS VII, laureate head left.
S C across field, Minerva walking right, brandishing spear and shield. 

RIC II 296 (Titus); BMC 233; Sear 2683.

Courtesy of TimeLine Auctions (www.timelineauctions.com), Aug, 2012