Nero. Dupondius; Nero; 54-68 AD, Perinthus, 64-66 AD, Dupondius, 10.71g. Cf. RIC-190 (Rome). Obv: [NERO] CLAV[D]IVS CAE[SAR AVG GER P M TR P IMP P P] Head radiate r., countermark ΓAΛBA (Howgego-526) across portrait. Rx: [SECVRI]TAS - AVG[VSTI] around, probably [S - C] across field and [II] in exergue, Securitas seated r. by altar and torch. Ex Curtis L. Clay Collection.Sharp countermark. VG