M. Aburius M.f. Geminus AR Denarius (Silver, 3,75g, 18mm) Rome, 132 BC.
Obv: Helmeted head of Roma right; GEM behind, mark of value below chin
Rev: Sol driving galloping quadriga right, holding reins and whip; M•ABVRI (ligate) below horses, ROMA in exergue.
References: Crawford 250/1; RSC Aburia 6