Probus (276-282) AE Antoninianus (Bronze, 4.42g, 23mm) Rome.
Obv: PROBVS P F AVG, Radiate and mantled bust left, holding eagle-tipped sceptre.
Rev: ROMAE AETER / R (thunderbolt) Δ, Hexastyle temple of Roma with statue of Roma seated facing in centre.
Ref: RIC 187.