C. Marcius Censorinus. AR Denarius, 88 BC. D/ Jugate heads of Numa Pompilius and Ancus Marcius. R/ Desultor right, holding whip; below, arrow. Cr. 346/1. AR. g. 3.97 mm. 18.00 VF. Ancus Marcius was the fourth king of Rome and grandson of Numa Pompilius. A desultor is an acrobatic rider leaping from one horse to another.