A Roman knobbed blue glass beaker with a plain ground rim, bulging sides and a flat base: blown into a silver case with openwork designs. 50-100 CE, from Italy, now housed at the British Museum [1514×2500]

A Roman knobbed blue glass beaker with a plain ground rim, bulging sides and a flat base: blown into a silver case with openwork designs. 50-100 CE, from Italy, now housed at the British Museum [1514×2500]

by Fuckoff555