This one just sold for 260 pounds ($404.00). Bust type H is not listed in RIC, but is in Huvelin as number 163. I know of at least four examples with this bust type.
Constantine I
A.D. 312- 313
4.1g
CONSTANTINUS P AVG; Helmeted, laureate, and cuirassed bust left, holding spear over shoulder and shield.
FELIC-IT-AS AVGG N N; Roma seated left, holding branch and globe, star in left field.
RIC --
It should come after RIC IV London 248
