This coin has a workshop that is not listed in RIC. It sold for $233.00, a bit more than I was expecting; but it is a nice example.
Constantine II
A.D. 320- 321
20mm 3.3gm
CONSTANTINVS IVN NOB C; laureate, draped, with victory on globe in right hand, parazonium (dagger with eagle-headed pommel) in left hand
VIRTVS EXERCIT; trophy of arms with captive seated on either side, T-F across fields.
In ex. dot PTR
RIC VII Trier 289