The gens Decimia was a plebeian family of which there is only one denarius.
Silver Denarius - Decimia ( -150 )
Cr207_1, Syd 391 - 3.8 grams - 18.7 mm
Obverse: Rome mint, helmeted head of Roma right, X behind Reverse: Luna in biga right, crescent above head, whip in right, reigns in left, FLAVS below, ROMA in ex Buy Decimia coins