Jewellery was stolen in two separate burglaries in Towcester last week which are being linked by Northants Police.
The first burglary happened in Highfields, in Towcester, between 9.15am on November 12 and 12.30pm on November 15.
The offenders forced entry to a property by smashing a garage window and then forcing a kitchen window. Once inside they stole a large amount of jewellery.
The second burglary happened in Buckingham Way, Towcester, between 3.30pm on November 15 and 12.20pm on November 16.
The offenders gained entry to a property by forcing a kitchen window. Once inside they again stole jewellery, including two rings which are pictured.
Police would like to speak to anyone who may have witnessed the burglaries or been offered the stolen jewellery.
Witnesses to this incident, or anyone with information, should call Northants Police on 101 - alternatively, information can be given anonymously to Crimestoppers on 0800 555 111.