This coin is not in RIC for the bust type; which looks to be draped and cuirassed, versus the normal cuirassed only types. There is also a Victory with wreath [and trophy] on the shield. This bust type is listed in Alten & Zschuke RMBT as Crispus #183 and the shield decoration is S4.
http://www.notinric.lechstepniewski.info/7tri374v_s.htmlCrispus
A.D. 322- 323
17x18mm 2.7g
IVL CRISPVS NOB CAES; helmeted, draped and cuirassed bust left, spear across right shoulder, shield inscribed with Victory on left arm.
BEATA TRAN-QVILLITAS, Globe set on altar insc. VO/TIS/XX; above three stars.
In ex. •STR•
RIC VII Trier –-