ROCKINGHAM Detectives are seeking information from the public in relation to a burglary in Baldivis.
The burglary was between March 26 and April 18.
Police said a motorcycle helmet was stolen which was unique and had sentimental value to the owner.
The Valentino Rossi helmet was signed by the famous MotoGP championship rider and would be hard to sell without suspicion.
MotoGP caps were also stolen from the collection, which were signed by other MotoGP championship riders.
Anyone with information can call Crime Stoppers on 1800 333 000 or make a report online.