Octavianus and M. Vipsanius Agrippa. AR Denarius, mint moving with Octavian 38, 3.68 g. 

DIVOS IVLIVS DIVI F, Wreathed head of Julius Caesar right, facing bare head of Octavian left.
M AGRIPPA COS DESIG in two lines. 

RSC 5; Crawford 534/2; Babelon Julia 129 and Vipsania 2; Sear Imp. 306.
Very rare. 

With permission of Numismatica Ars Classica auction 106, Lot 522, May 2018.