Do you recognise this property or jewellery?
Mandurah police seized the items following an arrest in Coodanup on Monday morning.
They believe the items are stolen.
The items include a small Samurai sword, a bayonet with what looks like a regimental number inscribed upon it, several watches, cufflinks and other jewellery items such as earrings and a gold chain.
If you are the owner or you know anything about them please contact constable Jaszewski of Response South on 9581 0282 or call CrimeStoppers on 1800 333 000.