Etruscan Menrva - bronze, 5th century BCE. The Campanian type armor is covered by a round aegis on which is applied in relief a small protome depicting a youthful male head. Accidentally discovered in 1541 and purchased by Cosimo I de 'Medici. Goddess of arts and war. The Roman goddess Minerva was probably derived from Menrva. Many of her attributes were derived from Athena, but where Athena was essentially a virgin goddess, Menrva was also a goddess who promoted marriage and childbirth.