Note 329 — Chapter XVI · THE CITY OF ROME IN THE MIDDLE AGES.
Reading edition
The series of papal coins is interrupted (with one or two slight exceptions) from A.D. 984 (not long after the time of Alberic) to A.D. 1304. In their place we meet with various coins struck by the municipal authorities, some of which bear on the obverse the head of the Apostle Peter, with the legend Roman. Pricipe: on the reverse the head of the Apostle Paul, legend, Senat. Popul. Q. R. Gregorovius, ut supra.