I doubt it is a casting. It is very difficult to cast a very thin flan such as this and hardly worth the effort.
More likely seriously corroded and harshly cleaned.
Radiate bust, common type IOVI CONSERVATORI (Zeus Saves !)
Mint mark SMN (Nicomedia) officina A.
based on size and weight a later issue (reduced) from around AD 320
More likely seriously corroded and harshly cleaned.
Radiate bust, common type IOVI CONSERVATORI (Zeus Saves !)
Mint mark SMN (Nicomedia) officina A.
based on size and weight a later issue (reduced) from around AD 320





















