Roman Imperial Trebonianus Gallus 251-253 AD. Silver coin. Rome, 251-252 AD. IMP C C VIB TREB GALLVS AVG Radiate, draped and cuirassed bust of Trebonianus Gallus to right. Rev. PIETAS AVGG Pietas standing to left, raising both her hands; at feet to left, lighted altar. Mounted in 18kt brushed gold finish. Weight:6.84gr.