A nicely preserved piece of London follis from an interesting reign.
Patina.
Obverse: bust of the emperor in armor and laurel wreath, to the right, in the rim legend:
D N MAXIMIANO P F AVG;
Reverse: genius standing left, holding patera and horn of plenty, surrounded by legend:
GENIO POP ROM, in section PLN;
Bronze, diameter 27 mm, weight 7.87 g, axis 6 h.