Caracalla, AE40 Contorniate. 27.47 g.

ANTONINVS PIVS, bare head right.
OLEXIVS, Ulysses escaping from Polyphemus by hiding 
beneath a ram which is walking right before a shrub, and 
eating a plant in a vase. 

Cohen VIII, 315; Sabatier 151.
Very rare. 

Image taken from Ars Classica auction, lot 2025, July 1933.