This rare bell, one of the largest known from the Roman world was discovered by Leslie Alcock,OBE.,FRHS whilst he was excavating Castell Collen, a Roman fort near Llandrindod Wells. Castell Collen was built by
Julius Frontinus in the Flavian period and housed both foot and cavalry soldiers and underwent several re-builds during its lifetime. It was
abandoned by the Roman Army in the early 4th century, when it was recalled to defend Rome The artefacts from the excavation are on permanent display in the Radnorshire Museum and include some rare glass and castor ware cups from the Commandant's house and, small items found in the latrine.