IV. Bronze (commonly called Large, Middle, and Small Brass), struck
by authority of the Senate, and distinguishable by the letters S. C.
(Senatus-Consulto).
V. Imperial medallions in all metals, not intended to circulate as
money.
§ OF THE ÆS GRAVE.
(1) The _æs grave_ was the earliest money used in Rome and throughout
the central and northern parts of the Italian peninsula. It consisted
of the As (or unit) and its divisions and multiples, as follows:--
As. _Obv._ Head of Janus; _Rev._ Prow of ship. Mark of value I
Semis (1/2 As). _Obv._ Hd. of Jupiter " " S
Triens (1/3 As). " " Pallas " " ....
Quadrans (1/4 As). _Obv._ Head of Hercules " " ...
Sextans (1/6 As). " " Mercury " " ..
Uncia (1/12 As). " " Roma " " .