Need ID dor that roman coin

[viktorbg]

 

[ConnerBates123]

Constantine family?

 

[CRUSADER]

Joint effort, Dad & I have just tracked down an ID:

Maximinus II AE3. 312 AD. IMP C GAL VAL MAXIMINVS PF AVG, laureate head right / VIRTVTI EXERCITI, Mars advancing right holding spear & trophy

The mint is unknown, as the letters are not visible enough.

 

[viktorbg]

Thanks cru