This coin is not listed in RIC for the obverse legend. It should come after Trier 653c.
Severus II
A.D. 306-7
21mm 9.0gm
IMP SEVERVS P AVG; laureate and cuirassed bust right.
GENIO POPV-LI ROMANI; Genius stg. l., head towered, loins draped, r. holding patera, l. cornucopiae. S in left field, F in right field.
In ex. PTR
RIC VI Trier --