This coin is not in RIC for the L1 bust, but is listed for L2 (but not for this workshop); the difference being L2 is not draped. I am pretty sure there is drapery showing, plus it looks a lot like the example on Lech’s page--
http://www.forumancientcoins.com/notinric/7tri-386.htmlThe mintmark on the linked page is dot PTR dot though, no crescent.
This coins should be listed before RIC VII Trier 386. It is in Alten & Zschucke’s
Die römische Münzserie Beata Tranquillitas as #127
Constantine II
A.D. 322- 323
18x19mm 2.5gm
CONSTANTINVS IVN NOB C; laureate, draped and cuirassed bust left, raising right hand.
BEATA TRANQVILLITAS; globe set on altar inscribed VO/TIS/XX; above, three stars.
In ex. dot PTR dot
RIC VII Trier --