Roman Imperial Coinage, Maxentius, Follis, Ostia, c. 309, bust right, rev. Castor and Pollux, each with a star above cap, naked but for chlamys hanging from shoulders, standing facing each other, each leaning on sceptre with outer arm and holding bridled horse with inner arm, she-wolf with twins between them, 6.39g (RIC 16). Extremely fine, silver-green patina, very rare £200-300