Item #: SCP-1510
Object Class: Safe
Special Containment Procedures: SCP-1510 is to be kept in a standard storage compartment in the Artifact Containment section of Site 19, kept dry and cool to prevent any damage to the fragile metal. It is to be polished and checked for rust every two weeks. A D-class personnel is to wear SCP-1510 for two (2) hours every day, in order to allow interviewers and mental health personnel access to SCP-1510-1. If SCP-1510-1 exhibits any violent behavior, this procedure may be revoked at the discretion of Dr. Stevenson, project Resurgum supervisor.
Description: SCP-1510 is a standard bronze Roman infantry helmet dating to the Marian Reforms of the year 107 BCE. The helmet bears no marks to distinguish it from other, similar helmets, and shows appropriate signs of aging. The helmet shows no anomalous properties unless worn by a man of the ages 28-35, most likely due to the nature of the entity residing in the helmet (henceforth SCP-1510-1). When worn by a man of the appropriate age, SCP-1510-1 will manifest, overriding the wearer's personality entirely until it is removed, whereupon it will return to normal. The wearer will have no recollection of the time the entity had control over his body. Subsequent scans reveal no lasting effect on brain chemistry nor any lasting residue of SCP-1510-1's personality.
When addressed, SCP-1510-1 will identify himself, in classical Latin of the Central Italian dialect, as Publius Carthephilus Aetius, a Roman soldier formerly under the command of the Consul Gaius Marius, who fought in in the Jugurthine War and died under unclear circumstances the night following the triumphus of that war (see interview logs).
SCP-1510 was recovered after the Foundation intercepted reports of a man wearing an antique Roman helmet rampaging across the streets of ██████, Italy. The man was shouting profanities in Latin and attacking passersby with a spade, and after being arrested by local police and having his helmet removed, showed no recollection of the events, nor any skill in speaking Latin. The Foundation recovered the helmet and had the man, a known grave robber, committed to an asylum after questioning and the administration of class-C amnestics. Initial testings of SCP-1510 proved fruitless, until a D-class personnel of a suitable age was selected. At first, personnel wearing the helmet showed signs of aggression and confusion and refused to communicate with research crews, but after several tests SCP-1510-1's aggression subsided and the subject became more cooperative, which made interviewing it possible.
Addendum SCP-1510-1-1: The following is a transcript of the sixth and seventh attempts of communicating with SCP-1510-1. These are the first successful interviews with the subject.
Addendum SCP-1510-1-2: SCP-1510-1 continues to be cooperative, and has granted researchers some valuable insights on the locations and nature of several possible SCP objects he encountered in the Jugurthine War, in present-day Algeria. Investigation is underway. No new information about the cause of SCP-1510-1's condition has been discovered as of this moment.