49 B.C. Roman Republic Silver Denarius, Julius Caesar49 B. C. Roman Republic Silver Denarius, Julius Caesar. Moderate wear, dark toning, light porosity, well centered obverse and off center reverse. 17mm diameter, 3. 73g weight, silver This coin was minted by Caesar to pay his legions, shortly after crossing the Rubicon (sacred boundary of the Roman Republic) and seizing control of Rome from the Senate. This was a huge turning point in Roman history that would ultimately lead to the collapse of the