SALE police are investigating a burglary at Loch Sport Hardware and Garden Centre on Wednesday, September 3, about 2pm.
The thief or thieves cut through a fence and removed a window at the property, before stealing about $3000 in cash and personal documents.
The items taken include irreplaceable century-old family photographs, journals, navy service records and migration certificates.
The owners are pleading for their safe return.
People with information should phone Sale police station CIU on 5143 5000 or to remain anonymous, phone Crime Stoppers on 1800 333 000.