mgcoins database

Lyon AD 331 billon reduced centenionalis 1.9 g 1.58 cm 1.58 cm 12h

obverse: hd Roma l helmeted and wearing imperial robes VRBS ROMA
reverse: she-wolf stg l suckling the twins Romulus and Remus, two stars above. in ex crescent dot PLG
RCV IV 16491
Krasnapolsky, Amsterdam 20 Febr 1983 

Flavius Valerius Constantinus (Constantine I, the Great) 272 (Naissus, Moesia) 307-337
Issue of Constantine I commemoratiing the old imperial capital on the Tiber

P officina mark (=1)