L. Mussidius Longus. AR Denarius, 42 BC, 4.07 g. 

Laureate head of Caesar right.
L MVSSIDIVS LONGVS clockwise from upper left, rudder, cornucopia on globe, caduceus and apex. 

Babelon Julia 58 and Mussidia 8; Sydenham 1096a; Sear Imp. 116; RBW 1742. Crawford 494/39a. 
Rare.

With permission of Numismatica Ars Classica auction 106, Lot 499, May 2018