It is an Crispina, Wife of Commodus, Augusta 178 - 182 A.D.. http://www.forumancientcoins.com/catalog/roman-and-greek-coins.asp?vpar=422 Here is the excerpt on your coin: Crispina, Wife of Commodus, Augusta 178 - 182 A.D. Juno was the chief female divinity in the Roman pantheon, the protector and special counselor of the Roman state, and a member of the Capitoline Triad. She was a daughter of Saturn, the sister and wife of Jupiter, and the mother of Juventas, Mars, and Vulcan. She had many different aspects, such as Juno Moneta, Juno Sospita, and Juno Lucina, but here she is depicted as Juno Regina, "Juno the Queen." Juno is usually shown holding a patera, scepter or a statuette of Athena, and is often accompanied by a peacock. Her Greek equivalent is Hera.RS85201. Silver denarius, RIC III 283, RSC II 21, BMCRE IV 41, Hunter II 10, SRCV II 6001, VF, light toning, well centered on a tight flan, light marks and scratches, light corrosion, tiny edge cracks, weight3.254 g, maximum diameter 18.3 mm, die axis 0o, Rome mint, 180 - 182 A.D.; obverse CRISPINA AVGVSTA, draped bust right; reverse IVNO, Juno standing facing, veiled, head left, patera in right hand, long scepter in left hand, peacock left at feet on left; scarce Your coin Looks real to me
