Stone known as magical gem

Oval shape stone known as a magical gem. On the main side showing two standing figures, a woman turned to her left to face a standing armed male. The male figure holds or leans to a spear and a shield on his left arm side. The pair are the figures of Venus (Aphrodite) and Mars, the divine pair. Above them there is flying winged Eros. The other side has a Greek inscription: Greek inscription in five lines: νικ|αροπ|ληξα|ρρω|ρισ → variant of νιχαρωπληξ, variant of αρρωριφρασις.