Argenteus Aurelianus Pubblico Deposited
also called Argenteus An- toninianus, and Aurelianus, is a Roman double Denarius which takes its name from M. Anrelius Antoninus Caracalla (211- 217), who introduced it. This coin was distinguished from the Denarius by the Fact that the Emperor's head bore a radiated crown, and there is a crescent under the bead of the Empress. It was Originally of moderately good silver, but gradually depreciated until at the time of Gallienus it was barely more than a sil- vered copper coin. It. was abolished about the period of Constantine the Great. The original weight of this coin was 5.45 grammes, or about, eighty grains.
- Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)