TYPE Roman Empire, Crispus (Caesar during 317-326 AD), bronze AE3, struck before 324 AD, Treveri mint DESCRIPTION . Obv: Diademed bust of Crispus to left, with spear over shoulder, shield in back; legend: IVN CRISPVS NOB CAES Rev: Altar inscribed VOTIS XX, legend BEATA TRANQVILLITAS, mintmark PTR in exergue REFERENCE: SR 3916v GRADING: VF+ / VF, darker green patina with some earthen encrustation ORDER INFO: R1241, $30