The security box was discovered last Saturday in land on Margaret Street, Urangan, in the coastal city of Hervey Bay, about 300km north of Brisbane.
Officers are appealing for public help to reunite the owner with their property.
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The safe has the manufacturer’s name First Alert on its door.
If you are the owner, call Hervey Bay police station on (07) 4128 5333 and quote QP2302015380, with proof of ownership.
