A number of "sentimental" items of high value were stolen after a burglary.
The incident took place on Allport Road in Bromborough on Wednesday, December 8 between 7pm and 10pm, police said.
At around 11pm the owners returned home to find an offender had forced entry through the rear door.
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The offender searched the property and stole a number of items including wedding jewellery, gold ingots and bars, an Olympic coin set, cash and a jade bracelet and necklace.
The offender also made off with identity documents.
Since the incident CCTV and forensic enquiries have been carried out to help identify those responsible and return the stolen items.
Detectives have issued these images of the jewellery that they believe could assist with their investigation.
Detective Inspector Darren Taylor said: “To be the victim of burglary, particularly when they are of sentimental value and mean so much to the family is incredibly upsetting and we have been working hard to find those responsible and bring them to justice.
“If you recognise or have recently seen the jewellery pictured then please let us know, as we believe this information could be vital to our ongoing investigation.
“We are also appealing for anyone who remembers being on Allport Road in Bromborough on Wednesday 8 December between 7pm to 10pm to contact us if they saw anything or anyone suspicious.
“We understand that it has been several weeks since the incident, but our enquiries are still very much ongoing and it is vital that we find anyone who was driving or walking in the area who may have captured something, either on their mobile phone, or dash cam to get in touch.
“Through Operation Castle Merseyside Police is committed to finding the people responsible for committing crimes such as this and would urge anyone with information to come forward.”
Merseyside Police's Community Engagement Unit has released a collection of crime prevention videos recorded in a selection of different languages that share advice on home security and protecting valuables. More information can be found at: www.merseyside.police.uk/cp/crime-prevention/
Anyone with information on this incident is asked to contact @MerPolCC, 101 quoting ref 21000851158 or Crimestoppers, anonymously on 0800 555 111.
