Domitian as Caesar AD 69-81 Rome. AD 80. 

Obv: CAESAR DIVI F DOMITIANVS COS VII, laureate head right.
Rev: PRINCEPS IVVENTVTIS, Cretan goat standing left within laurel wreath.

RIC (TItus) 267 (Scarce); RSC 390; Sear I.2675. 

courtesy of Asta Tintinna Numismatica and deamoneta.com, Dez, 2010