Here's a nice example of this type with an unusual flan. RIC mistakenly has this coin as cuirassed when it is trabeate. It is corrected in the London mint book.
Constantine I
A.D. 316
20x23mm 3.2g
CONSTANTINVS P AVG; laureate and trabeated bust left.
SOLI INVICTO COMITI; Sol rad., stg. L., raising r. hand, globe in l., chlamys across l. shoulder, across fields S/P.
in ex. MSL
RIC VII London 75 corr.; LMCC 8.07.018