A nice, readable piece of the Karakalla sesterc. Coin not described in the RIC being a hybrid of the known obverse with a reverse known only from the ace in turn for another obverse legend.
Obverse: bust of the emperor wearing a laurel wreath, with drapery on the left shoulder, to the right, in the rim the legend:
M AVREL ANTONINVS PIVS AVG BRIT;
Reverse: Fortuna seated on a throne to the left, holding a helm and a horn of plenty, in the rim legend:
FORT RED TR P XIIII COS [], in segment SC;
Bronze, diameter 31 mm, weight 21.38 g, axis 12 h.