Burglars stole a large amount of jewellery from a house in Northampton after breaking in to the property through a rear window.
The property in Derwent Drive, Kings Heath, was broken into sometime between 10am on Friday, July 24, and 6.30pm on Thursday, August 6.
After breaking in through a rear kitchen window, the thieves took a range of items including two pocket watches, three gold rings and 10 gold chains.
One of the pocket watches was engraved and was of strong sentimental value.
Witnesses, or anyone who knows anything about this incident, can call Northamptonshire Police on 101.
Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111 or use the anonymous online form at www.crimestoppers-uk.org.