Watch List notes:

Constantine I. A.D. 307/10-337. AE follis (22.66 mm, 4.40 g, 7 h). Trier mint, Struck A.D. 315/16. CONSTANTINVS MAX P F AVG, laureate and cuirassed bust of Constntine I right / SOLI INVIC-TO COMITI, naked and radiate Sol standing facing, head left, raising hand and holding globe; A - S // PTR. RIC VII 71; . Good VF, die-clash and somewhat weakly-struck area on reverse. Rare, Not in RIC. 

RIC does not list this bust type for officina A, (frequency R5 for officina B)