Watch List notes:

HELIOGABALO. Denarius. (Ar. 3.35g / 20mm). AD 218-222 Rome. (RIC 121). Anv: Laureate and draped bust of Heliogabalus on the right, around the legend: IMP CAES ANTONINVS AVG. Rev: Mars advancing to the right, carrying scepter and trophy, around legend: MARS VLTOR. AU.