ROMAN REPUBLIC, M. Opeimus Q.f., as Triumvir Monetalis (moneyer), Silver Denarius (3.21g, 18mm), Rome mint 131 BC. Obv. Head of Roma right, wearing winged Attic helmet, "X-" monogram (mark of value) to lower right, tripod to left. Rev. Apollo, holding bow and arrow, commands biga right, "M· OPEIMI" below, "ROMA" in exergue. Crawford 254/1; Sydenham 465. Rust on obverse, sharp reverse, good Very Fine.