the Gemma Augustea. Enthroned beside Roma, Augustus is surrounded by the imagery of victory. The lower register is filled with bound captives with soldiers erecting a tropaion , and in the upper register [...] hardly known that Romans were there ( intraverat penitus Germaniam et ibi signa Romana fixerat, ubi vix ullos esse Romanos notum erat , 3,1). Essentially, Drusus extended Rome’s power, but did so by