I just bought this coin because I liked the depiction of the horses
Maxentius (306-312). Æ Nummus (25mm, 6.44g, 12h). Ostia. IMP C MAXENTIVS P F AVG, laureate head right. R/ AETERNITAS AVG N, Castor and Pollux facing one another, holding horses to centre and spears to outside, wolf and twins between; MOSTΓ in exergue. RIC 16.