Error in the legend on the reverse of AETERNT instead of AETERNIT.
Obverse: Bust of the emperor wearing a radial crown, armor and paludamentum, to the right, in the rim the legend IMP CARINVS P F AVG.
Reverse: Aeternitas standing left, lifting her gown and holding a phoenix on a globe, in section KAΓ, surrounded by legend AETERNT AVGG
Coin, diameter 21.5 mm, weight 3.49 g.
