Constantine II campgate from Rome

[Victor]

This coin has an unlisted officina; and just sold for $232.35.


Constantine II
A.D. 318- 319
18mm   2.9gm
CONSTANTINVS IVN NOB C; laureate, draped and cuirassed bust right.
VIRTVS AVGG; campgate with three turrets and closed doors, in field P/R.
In ex. RP   
RIC VII Rome 183

[Nikko]

I noticed quite often a caesar obverse matched with the VIRTVS AVGG reverse instead of VIRTVS CAESS.

[Victor]

I noticed quite often a caesar obverse matched with the VIRTVS AVGG reverse instead of VIRTVS CAESS.

For this series from Rome, the official reverse is VIRTVS AVGG for all the rulers. Arles has a different reverse for Caesars.