Marius RARE Double Denarius, $122.50 Ended: Nov-24-03 Seller amphoracoins Marius, 368 AD, double denarius (antoninianus) of 20.1 mm, 2.54 grams. Obverse: Laureate bust right. Reverse: VIRTVS AVG, Virtus standing left with shield and spear. RIC 19.