The bes (pl.: besses) was an Ancient Roman bronze coin produced during the Roman Republic. Valued at two thirds of an as (eight unciae),^[1] it was only produced in 126 BC by C. Cassius in combination with the dodrans,^[2] another very rare denomination which was valued at three quarters of an as (nine unciae). The obverse head displayed the god Liber facing to the right.^[1]