Domitian as Caesar under Vespasian, AR denarius, AD 79.

CAESAR AVG F DOMITIANVS COS VI, laureate head left.
PRINCEPS IVVENTVTIS, Salus standing right, leaning on a 
column and feeding a serpent in arms.

RIC 1085; RSC 385.

Very rare, rated R2.

With permission of TimeLine Auctions 
(www.timelineauctions.com), June, 2017

Note: There is an AE imitation of this coin on the 
Member Collections > FlaviusDomitianus > page of Forum Ancient Coins.