the first is Constantius II as caesar, the type is GLOR-IA EXERC-ITVS one standard. mint unreadable from that horrible photo:) but I would go for Trier
2nd. is from 260s.to 280s AD. but horrible photography once again takes the identification away…:)
Third is a 5th century clipped coin of Honorius or Theodosius, type as Gloria Romanorum type 22